A man is free only when he lives in truth, and truth can be perceived only by the intellect.
Thought is the labour of the intellect, reverie is its pleasure.
There is a condition in which a person feels himself the architect of his life. It occurs when he concentrates all his efforts and all his intellect on the present moment.
It is to judgment that perception belongs, as science belongs to intellect. Intuition is the part of judgment, mathematics of intellect.