Liberty is worth paying for.

What I'd like to be above all is a writer.

Science, my boy, is composed of errors, but errors that it is right to make, for they lead step by step to the truth.

There is hope for the future, and when the world is ready for a new and better life, all these things will some day come to pass, - in God's good time

What you do for money you do badly.

It must be, for there is a logic to everything on this earth and nothing is done without a reason, that God sometimes lets scientists discover.

In presence of Nature's grand convulsions man is powerless.