In the fields of observation chance favors only those minds which are prepared.

The greatest derangement of the mind is to believe in something because one wishes it to be so.

Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.

Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world. Science is the highest personification of the nation because that nation will remain the first which carries the furthest the works of thought and intelligence.

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

The universe is asymmetric and I am persuaded that life, as it is known to us, is a direct result of the asymmetry of the universe or of its indirect consequences. 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.