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.

There can be no merit in believing something which you can neither explain nor understand.

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.

Rest is not idleness, and to lie sometimes on the grass under trees on a summer's day, listening to the murmur of the water, or watching the clouds float across the sky, is by no means a waste of time.

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

Our duty is to believe that for which we have sufficient evidence, and to suspend our judgment when we have not.

Life is a great gift, and as we reach years of discretion, most of us naturally ask ourselves what should be the main object of our existence.