If in the infinite you want to stride, Just walk in the finite to every side.

The field of experience is the whole universe in all directions. Theory remains shut up within the limits of human faculties.

What men usually say of misfortunes, that they never come alone, may with equal truth be said of good fortune; nay, of other circumstances which gather round us in a harmonious way, whether it arise from a kind of fatality, or that man has the power of attracting to himself things that are mutually related.

How can you come to know yourself? Never by thinking, always by doing. Try to do your duty, and you'll know right away what you amount to.

Man supposes that he directs his life and governs his actions, when his existence is irretrievably under the control of destiny

The new vulcanism is really a daring attempt to connect the present, incomprehensible world to a past, unknown one.

Thinking is easy, acting is difficult, and to put one's thoughts into action is the most difficult thing in the world.