There is no privacy that cannot be penetrated. No secret can be kept in the civilized world. Society is a masked ball where everyone hides his real character, then reveals it by hiding

Nothing great ever happened without enthusiasm.

Without ambition one starts nothing. Without work one finishes nothing. The prize will not be sent to you. You have to win it. The man who knows how will always have a job. The man who also knows why will always be his boss. As to methods there may be a million and then some, but principles are few. The man who grasps principles can successfully select his own methods. The man who tries methods, ignoring principles, is sure to have trouble.

If the king is in the palace, nobody looks at the walls. It is when he is gone, and the house is filled with grooms and gazers, that we turn from the people, to find relief in the majestic men that are suggested by the pictures and the architecture.

Work and acquire, and thou hast chained the wheel of chance.

In the highest civilization the book is still the highest delight.

To wade in marshes and sea margins is the destiny of certain bird, and they are so accurately made for this that they are imprisoned in those places. Each animal out of its habitat would starve. To the physician, each man, each woman, is an amplification of one organ. A soldier, a locksmith, a bank-clerk, and a dancer could not exchange functions. And thus we are victims of adaptation.