A day of worry is more exhausting than a week of work.

Be cautious, but not too cautious; do not be too much afraid of making a mistake; a man who never makes a mistake will make nothing.

To be happy ourselves is a most effectual contribution to the happiness of others.

Everyone must have felt that a cheerful friend is like a sunny day, which sheds its brightness on all around; and most of us can, as we choose, make of this world either a palace or a prison.

A pleasure is full grown only when it is remembered. C. S. LEWIS, Out of the Silent Planet True pleasures are paid for in advance; false pleasures afterwards, with heavy and compound interest.

A wise system of education will at last teach us how little man yet knows, how much he has still to learn.

What we see depends mainly on what we look for.