The secret of business is to know something that nobody else knows. The greatest of faults, I should say is to be conscious of none.
Youth is to all the glad season of life; but often only by what it hopes, not by what it attains, or what it escapes.
Be not a slave of words.
Biography is the only true history.
A man without a goal is like a ship without a rudder.
It is the first of all problems for a man to find out what kind of work he is to do in this universe.