The mind, in short, works on the data it receives very much as the sculptor works on his block of stone.

The perfection of rottenness.

Success or failure depends more upon attitude than upon capacity.

The entire routine of our memorized acquisitions, for example, is a consequence of nothing but the Law of Contiguity. The words of a poem, the formulas of trigonometry, the facts of history, the properties of material things, are all known to us as definite systems or groups of objects which cohere in an order fixed by innumerable iterations, and of which any one part reminds us of the others.

We can change our circumstances by a mere change of our attitude.

Act the part and you will become the part.

A man with no philosophy in him is the most inauspicious and unprofitable of all possible social mates.