The goal of physiological research is functional nature.
What breadth, what beauty and power of human nature and development there must be in a woman to get over all the palisades, all the fences, within which she is held captive!
And, as if nature were protecting man against his own ingenuity, the reproductive processes were affected for a time; men became sterile, women had miscarriages, menstruation stopped.
We are not weak if we make a proper use of those means which the God of Nature has placed in our power... the battle, sir, is not to the strong alone it is to the vigilant, the active, the brave.
By nature and doctrines I am addicted to the habit of discovering choice places wherein to feed.
My nature just changes.
I was trying to do too many things at the same time, which is my nature. But I was enjoying it, and I still do enjoy it.
I felt I had to share Idaho with my friend from New York because he'd shared New York with me, so I was going to share the beauty of nature with a man who went to museums and clubs late at night. But there was nothing to do where I lived at night.
The law in question asserts, that the quantity of force which can be brought into action in the whole of Nature is unchangeable, and can neither be increased nor diminished.
The older view of the nature of heat was that it is a substance, very fine and imponderable indeed, but indestructible, and unchangeable in quantity, which is an essential fundamental property of all matter.
Natural science, does not simply describe and explain nature; it is part of the interplay between nature and ourselves.
What we observe is not nature itself, but nature exposed to our method of questioning.
Like a great poet, Nature knows how to produce the greatest effects with the most limited means.
Mere goodness can achieve little against the power of nature.
Poetry is the universal language which the heart holds with nature and itself. He who has a contempt for poetry, cannot have much respect for himself, or for anything else.