A vida é o que fazemos dela. As viagens são os viajantes. O que vemos não é o que vemos, senão o que somos.

The Worldly Hope men set their Hearts upon Turns Ashes—or it prospers; and anon, Like Snow upon the Desert's dusty Face, Lighting a little hour or two—is gone.

Women know life too late. That is the difference between men and women.

"The true value of science lies in its ability to change our perspective."

The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.