The ability to portray people in still life and in motion requires the highest measure of intuition and talent.

Scientific research is based on the idea that everything that takes place is determined by laws of Nature, and therefore this holds for the action of people. For this reason, a research scientist will hardly be inclined to believe that events could be influenced by a prayer, i.e. by a wish addressed to a Supernatural Being.

That is the way to learn the most, that when you are doing something with such enjoyment that you don't notice that the time passes.

The gift of fantasy has meant more to me than my talent for absorbing positive knowledge.

As our circle of knowledge expands, so does the circumference of darkness surrounding it.

If I could remember the names of all these particles, I'd be a botanist.

Compound interest on debt was the banker's greatest invention, to capture, and enslave, a productive society.