I feel, I think, I judge; therefore, a part of organized matter like me is capable of feeling, thinking, and judging.

Scepticism is the first step towards truth.

I picture the vast realm of the sciences as an immense landscape scattered with patches of dark and light. The goal towards which we must work is either to extend the boundaries of the patches of light, or to increase their number. One of these tasks falls to the creative genius; the other requires a sort of sagacity combined with perfectionism.

Scepticism is the first step toward truth.

As long as the centuries continue to unfold, the number of books will grow continually, and one can predict that a time will come when it will be almost as difficult to learn anything from books as from the direct study of the whole universe. It will be almost as convenient to search for some bit of truth concealed in nature as it will be to find it hidden away in an immense multitude of bound volumes.

I feel, I think, I judge; therefore, a part of organized matter like me is capable of feeling, thinking, and judging.

You can be sure that a painter reveals himself in his work as much as and more than a writer does in his.