![Phylogeny and ontogeny are, therefore, the two coordinated branches of morphology. Phylogeny is the developmental history [Entwickelungsgeschichte] of the abstract, genealogical individual; ontogeny, on the other hand, is the developmental history of the concrete, morphological individual.](/assets/img/quote-photos/phylogeny-and-ontogeny-are-therefore-the-two-coordinated-branches-of-morphology.jpg)
Related Quotes
science opportunity thinking
I can live with doubt and uncertainty and not knowing. I think it is much more interesting to live not knowing than to have answers that might be wrong. If we will only allow that, as we progress, we remain unsure, we will leave opportunities for alternatives. We will not become enthusiastic for the fact, the knowledge, the absolute truth of the day, but remain always uncertain … In order to make progress, one must leave the door to the unknown ajar. Richard P. Feynman
science measurement momentum
Unless a thing can be defined by measurement, it has no place in a theory. And since an accurate value of the momentum of a localized particle cannot be defined by measurement it therefore has no place in the theory.
science play theoretical-physics
It is odd, but on the infrequent occasions when I have been called upon in a formal place to play the bongo drums, the introducer never seems to find it necessary to mention that I also do theoretical physics.
science thinking doubt
Science is a way to teach how something gets to be known, what is not known, to what extent things are known (for nothing is known absolutely), how to handle doubt and uncertainty, what the rules of evidence are, how to think about things so that judgments can be made, how to distinguish truth from fraud, and from show.
science tourists philosopher
Scientists are explorers. Philosophers are tourists.
science reflection desire
The difficulty really is psychological and exists in the perpetual torment that results from your saying to yourself, "But how can it be like that?" which is a reflection of uncontrolled but utterly vain desire to see it in terms of something familiar. ... If you will simply admit that maybe [Nature] does behave like this, you will find her a delightful, entrancing thing. Do not keep saying to yourself, if you can possible avoid it, "But how can it be like that?" because you will get 'down the drain', into a blind alley from which nobody has escaped. Nobody knows how it can be like that.
science errors certain
If you thought that science was certain - well, that is just an error on your part.
science camels world
Cheetah genes cooperate with cheetah genes but not with camel genes, and vice versa. This is not because cheetah genes, even in the most poetic sense, see any virtue in the preservation of the cheetah species. They are not working to save the cheetah from extinction like some molecular World Wildlife Fund. Richard Dawkins
science curiosity fields
To teach one who has no curiosity to learn, is to sow a field without ploughing it. Richard Whately
hands onto risk simply
Just simply splashing around in the water, if there is sewage contamination there is a risk you could get it onto your hands and get it into your mouth, Glenn Morris
hands jail
hands down, even if in jail or in the grave.
hands intimidate panic puck rattle seen sweetest
He's got the sweetest hands I think I've seen on a guy. He doesn't panic with the puck at all. He doesn't let too much intimidate him or rattle him out there, and that's a big thing. Rob Niedermayer
hands job takes whatever
Whatever it takes to get the job done. We need all hands on deck. James Woods
hands power purpose shift
The purpose of this is to shift power from one set of hands to another.
hands knows
I think we need to put it in the hands of someone who knows real estate.
hands mind process reflect season time whenever
I think that thought process will go through my mind whenever the season is over with, (then) I'll get to that. I'll have a lot of time on my hands without basketball, so I'll be able to reflect on that.
hands happened teacher
I was very upset. No teacher has a right to put her hands on a child. This is not a one-time incident. This has happened before.
hands help inside
I was able to get my hands inside and I probably used a little nudge from J.B. (Bettis) in the back to help me out a little bit. Heath Miller
two emotion fear-of-love
There are only two emotions. Love and fear.... Love and fear is all there is == Everything else is just an offshoot motivated by those two. Carl Jung
two way directors
No two directors make the same film the same way. Rob Cohen
two trying gears
You can get the oldest drum machine out and whack out four sounds like a kick, snare, and two types of high-hat, and try and come up with the freshest thing on the spot. The gear can guide you - you can choose one bit of gear and it's obviously got its restrictions and its limitations, but at the same time, you've got to exploit what it's capable of and what it's best used for. Rob Brown
two-sides car would-be
Ford used to come to work in a big car with two Admiral's flags, on each side of the car. His assistant would be there with his accordion, playing, Hail to the Chief. Richard Widmark
two splits world
My life was split by two worlds, but he kept me whole. Richelle Mead
two doe looks
Now I see some family resemblance. I was starting to wonder if Jill was adopted, but you two kind of look like each other." "So does our mailman back in North Dakota," said Adrian.
two waiting silence
Can you come over to Amberwood? I need you to help me break curfew and escape my dorm.” There were a few moments of silence. “Sage, I’ve been waiting two months to hear you say those words. You want me to bring a ladder?
two years lifetime
You can live a lifetime in two years.
two different two-different-things
Wanting and needing are two different things.