No political party can possibly lead a great revolutionary movement to victory unless it possesses revolutionary theory and knowledge of history and has a profound grasp of the practical movement.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

If money is your hope for independence you will never have it. The only real security that a man will have in this world is a reserve of knowledge, experience, and ability.

Acquire new knowledge whilst thinking over the old, and you may become a teacher of others.

The stomach is the only part of man which can be fully satisfied. The yearning of man's brain for new knowledge and experience and for more pleasant and comfortable surroundings never can be completely met. It is an appetite which cannot be appeased.

The knowledge of higher leadership can only be acquired by the study of military history and actual experience. There are no hard and fast rules; everything depends on the plans of the general, the condition of the troops, the season of the year, and a thousand other circumstances, which have the effect that no one case will ever resemble another.