To witness two lovers is a spectacle for the gods.

Progress has not followed a straight ascending line, but a spiral with rhythms of progress and retrogression, of evolution and dissolution.

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

Conscience is the virtue of the observers not the agents of action

As soon as any one belongs to a narrow creed in science, every unprejudiced and true perception is gone.

No limit, no definition, may restrict the range or depth of the human spirit's passage into its own secrets or the world's.

Don't judge anyone harshly until you yourself have been through his experiences