What lies behind us and what lies before us are tiny matters compared to what lies within us.

The reward of a thing well done is to have done it.

What you do speaks so loud that I cannot hear what you say.

What you are shouts so loud in my ears I cannot hear what you say.

Shallow men believe in luck. Strong men believe in cause and effect.

Next to the originator of a good sentence is the first quoter of it. I hate quotations. Tell me what you know.

A foolish consistency is the hobgoblin of little minds, adored by little statesman and philosophers and divines.

Nothing is at last sacred but the integrity of your own mind.