When anger rises, think of the consequences.

Science is properly more scrupulous than dogma. Dogma gives a charter to mistake, but the very breath of science is a contest with mistake, and must keep the conscience alive.

There are only two tragedies in life: one is not getting what one wants, and the other is getting it.

Colors are the smiles of nature.

As usual, there is a great woman behind every idiot.

The way you think, the way you behave, the way you eat, can influence your life by 30 to 50 years.