How does the light of a star set out and plunge into black eternity in its immortal course? The star dies, but the light never dies; such also is the cry of freedom.

Once more there sounded within me the terrible warning that there is only one life for all men, that there is only one life for all men, that there is no other and that all that can be enjoyed must be enjoyed here. In eternity no other chance will be given to us.

Everything in this world has a hidden meaning.

Throughout my life, my greatest benefactors have been my dreams and my travels; very few men, living or dead, have helped me in my struggle.

Life on earth means: the sprouting of wings.

The human soul is heavy, clumsy, held in the mud of the flesh. Its perceptions are still coarse and brutish. It can divine nothing clearly, nothing with certainty.

All the political, social, and economic improvements, all the technical progress cannot have any regenerating significance, so long as our inner life remains as it is at present. The more the intelligence unveils and violates the secrets of Nature, the more the danger increases and the heart shrinks.