When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become.

Bernard was right. The germ is nothing, the terrain is everything.

I propose to provide proof... that just as always an alcoholic ferment, the yeast of beer, is found where sugar is converted into alcohol and carbonic acid, so always a special ferment, a lactic yeast, is found where sugar is transformed into lactic acid. And, furthermore, when any plastic nitrogenated substance is able to transform sugar into that acid, the reason is that it is a suitable nutrient for the growth of the [lactic] ferment.

Blessed is he who carries within himself a God, an ideal, and obeys it.

Science knows no country because it is the light that iluminates the world

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.

The greatest malfunction of spirit is to believe things.