The best thinking has been done in solitude. The worst has been done in turmoil.

There is no limit to which a man will not go to avoid thinking.

Genius is not inspired. Inspiration is perspiration.

I have better use for my brain than to poison it with alcohol. To put alcohol in the human brain is like putting sand in the bearings of an engine.

The perils of overwork are slight compared with the dangers of inactivity.

It is a terrible situation when the Government, to insure the National Wealth, must go in debt and submit to ruinous interest charges, at the hands of men, who control the fictitious value of gold. Interest is the invention of Satan.

The three things that are most essential to achievement are common sense, hard work and stick-to-it-iv-ness... Unfortunately, many of life's failures are experienced by people who did not realize how close they were to success when they gave up. I have far more respect for the person with a single idea who gets there than for the person with a thousand ideas who does nothing.