While the faculty of sensation is dependent upon the body, mind is separable from it

The most important relationship we can all have is the one you have with yourself, the most important journey you can take is one of self-discovery. To know yourself, you must spend time with yourself, you must not be afraid to be alone. Knowing yourself is the beginning of all wisdom.

The beginning, as the proverb says, is half the whole.

It is impossible, or not easy, to alter by argument what has long been absorbed by habit

Art not only imitates nature, but also completes its deficiencies.

Knowledge of the fact differs from knowledge of the reason for the fact.

Those who assert that the mathematical sciences say nothing of the beautiful or the good are in error. For these sciences say and prove a great deal about them; if they do not expressly mention them, but prove attributes which are their results or definitions, it is not true that they tell us nothing about them. The chief forms of beauty are order and symmetry and definiteness, which the mathematical sciences demonstrate in a special degree.