Every man has a coward and hero in his soul.
Let a man try faithfully, manfully to be right; he will grow daily more and more right. It is at bottom the condition on which all men have to cultivate themselves.
A man's perfection is his work.
Quackery gives birth to nothing; gives death to all things.
There is so much data available to us, but most data won't help us succeed.
Our grand business undoubtedly is, not to see what lies dimly at a distance, but to do what lies clearly at hand.