Whether our efforts are, or not, favored by life, let us be able to say, when we come near to the great goal, I have done what I could.

The universe is asymmetric.

The universe is an asymmetrical entity. I am inclined to believe that life as it is manifested to us must be a function of the asymmetry of the universe or of the consequence of this fact. The universe is asymmetrical; for if one placed the entire set of bodies that compose the solar system, each moving in its own way, before a mirror, the image shown would not be superimposable on the reality.

Never will the doctrine of spontaneous generation recover from the mortal blow struck by this simple experiment.

Science advances through tentative answers to a series of more and more subtle questions which reach deeper and deeper into the essence of natural phenomena.

Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of inventions.

The greatest malfunction of spirit is to believe things.