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

Happiness is a condition of mind not a result of circumstances.

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

Exercise of the muscles keeps the body in health, and exercise of the brain brings peace of mind.

Many of the greatest men have owed their success to industry rather than to cleverness.

Time is a trust, and for every minute of it you will have to account.

Our great mistake in education is ... the worship of book-learning-the confusion of instruction and education. We strain the memory instead of cultivating the mind. ... We ought to follow exactly the opposite course with children-to give them a wholesome variety of mental food, and endeavour to cultivate their tastes, rather than to fill their minds with dry facts.