The greatest happiness for the thinking person is to have explored the explorable and to venerate in equanimity that which cannotbe explored.

What we don't understand we don't possess.

Lay hold of life with both hands, whenever thou mayest seize it, it is interesting.

Should I not be proud, when for twenty years I have had to admit to myself that the great Newton and all the mathematicians and noble calculators along with him were involved in a decisive error with respect to the doctrine of color, and that I among millions was the only one who knew what was right in this great subject of nature?

Nothing is more disgusting than the majority: because it consists of a few powerful predecessors, of rogues who adapt themselves, of weak who assimilate themselves, and the masses who imitate without knowing at all what they want.

When she sees the leaves fall, they raise no other idea in her mind than that winter is approaching.

Only law can give us freedom.