The Americans are optimistic by their nature. And they are hopeful.
Nothing is too wonderful to be true if it be consistent with the laws of nature.
I have a critical nature, in the sense that when I look at something I often look for the flaws.
I wanted to understand the secrets behind my chemical experiments and behind the processes in nature.
There is little doubt that we are in the midst of a revolution of a much more profound and fundamental nature than the social and political revolutions of the last half century.
No phenomenon can be isolated, but has repercussions through every aspect of our lives. We are learning that we are a fundamental part of nature's ecosystems.
I plead for conservation of human culture, which is much more fragile than nature herself. We needn't destroy other cultures with the force of our own.
Nature, more of a stepmother than a mother in several ways, has sown a seed of evil in the hearts of mortals, especially in the more thoughtful men, which makes them dissatisfied with their own lot and envious of another s.
Nowadays the rage for possession has got to such a pitch that there is nothing in the realm of nature, whether sacred or profane, out of which profit cannot be squeezed.
I have no hostility to nature, but a child's love to it. I expand and live in the warm day like corn and melons.
Everything in Nature contains all the powers of Nature. Everything is made of one hidden stuff.
A friend may well be reckoned the masterpiece of nature.
When nature has work to be done, she creates a genius to do it.
We see God face to face every hour, and know the savor of Nature.
We are by nature observers, and thereby learners. That is our permanent state.