Nature is an infinite sphere of which the center is everywhere and the circumference nowhere.
As human beings, we are endowed with freedom of choice, and we cannot shuffle off our responsibility upon the shoulders of God or nature. We must shoulder it ourselves. It is our responsibility.
Working conditions for me have always been those of the monastic life: solitude and frugality. Except for frugality, they are contrary to my nature, so much so that work is a violence I do to myself.
Tax dollars intended for science education must not be used to teach creationism as any sort of real explanation of nature, because any observation or process of inference about our origin and the nature of the universe disproves creationism in every respect.
In the state of nature profit is the measure of right.
Those who seek to satisfy the mind of man by hampering it with ceremonies and music and affecting charity and devotion have lost their original nature.
The deepest principle in human nature is the craving to be appreciated.
One cannot long remain so absorbed in contemplation of emptiness without being increasingly attracted to it. In vain, one bestows on it the name of infinity; this does not change its nature.
Custom, that is before all law; Nature, that is above all art.
Because we can’t escape our ancient hunger to live close to nature, we encircle the house with lawns and gardens, install picture windows, adopt pets and Boston ferns, and scent everything that touches our lives.