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As instruments for knowing the objects, the sense organs are outside, and so they are called outer senses; and the mind is called the inner sense because it is inside. But the distinction between inner and outer is only with reference to the body; in truth, there is neither inner nor outer. The mind's nature is to remain pure like ether.

Intuition enlightens and so links up with pure thought. They together become an intelligence which is not simply of the brain, which does not calculate, but feels and thinks.

Intellect distinguishes between the possible and the impossible; reason distinguishes between the sensible and the senseless. Even the possible can be senseless.

A visual sense is something you either have or you don't.

There is a road from the eye to heart that does not go through the intellect.

The mind is like a richly woven tapestry in which the colors are distilled from the experiences of the senses, and the design drawn from the convolutions of the intellect.

Common sense is instinct, and enough of it is genius.

Nothing can be found in the intellect if previously has not been found in the senses.

Intuition is a spiritual faculty and does not explain, but simply points the way.

Common sense is the measure of the possible; it is composed of experience and prevision; it is calculation applied to life.