Rest is by no means a waste of time.

The veil is slowly rising, but as regards innumerable questions we must be content to remain in ignorance.

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

Here are the three great questions which in life we have over and over again to answer: Is it right or wrong? Is it true or false? Is it beautiful or ugly? Our education ought to help us to answer these questions.

Great battles are really won before they are actually fought. To control our passions we must govern our habits, and keep watch over ourselves in the small details of everyday life.

A Cheerful friend is like a sunny day, which sheds its brightness on all around.

Our own happiness ought not to be our main objective in life.