It's easier to be original and foolish than original and wise.

The art of discovering the causes of phenomena, or true hypotheses, is like the art of deciphering, in which an ingenious conjecture often greatly shortens the road.

One cannot explain words without making incursions into the sciences themselves, as is evident from dictionaries; and, conversely, one cannot present a science without at the same time defining its terms.

Indeed in general I hold that there is nothing truer than happiness, and nothing happier and sweeter than truth.

Every present state of a simple substance is the natural consequence of its preceding state, in such a way that its present is big with its future.

It's easier to be original and foolish than original and wise.

The present is great with the future.