Every man who speaks out loud and clear is tinting the "Zeitgeist." Every man who expresses what he honestly thinks is true is changing the Spirit of the Times. Thinkers help other people to think, for they formulate what others are thinking. No person writes or thinks alone--thought is in the air, but its expression is necessary to create a tangible Spirit of the Times.

If men will not act for themselves, what will they do when the benefit of their effort is for all?

I will gladly lecture for fifty dollars, but I'll not be a guest for less than a hundred.

When certain unmarried men, who had lost their capacity to sin, sat indoors, breathing bad air, and passed resolutions about what was right and what wrong, making rules for the guidance of the people, instead of trusting to the natural, happy instincts of the individual, they ushered in the Dark Ages. These are the gentlemen who blocked human evolution absolutely for a thousand years.

The past is one evil less and one memory more.

Allow motion to equal emotion.

Optimism is a kind of heart stimulant - the digitalis of failure.