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People who lead a lonely existence always have something on their minds that they are eager to talk about

In science, we must be interested in things, not in persons

A good novel tells us the truth about its hero; but a bad novel tells us the truth about its author

Humanity needs practical men, who get the most out of their work, and, without forgetting the general good, safeguard their own interests. But humanity also needs dreamers, for whom the disinterested development of an enterprise is so captivating that it becomes impossible for them to devote their care to their own material profit.

No calculations of interest, no schemes of policy can do the work of love, of the spirit of human brotherhood. There can be no peace without but through peace within.

When a book raises your spirit, and inspires you with noble and courageous feelings, seek for no other rule to judge the event by; it is good and made by a good workman