Just as food eaten without appetite is a tedious nourishment, so does study without zeal damage the memory by not assimilating what it absorbs.

There are four powers: memory and intellect, desire and covetousness. The two first are mental and the others sensual. The three senses sight, hearing, and smell cannot well be prevented; touch and taste not at all.

The main object of teaching is not to give explanations, but to knock at the doors of the mind.

Every head should be cultivated.

The greatest education in the world is watching the masters at work.

One of the very important characteristics of a student is to question. Let the students ask questions.