Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind.

The empires of the future are the empires of the mind. Harvard University (1943-09-06).

The possession of anything begins in the mind.

The mind is like a fertile garden in which anything that is planted, flowers or weeds, will grow.

If my mind can conceive it; and my heart can believe it - then I can achieve it.

A little philosophy inclineth man's mind to atheism, but depth in philosophy bringeth men's minds about to religion.

Most folks are about as happy as they make up their minds to be.

"How can I tell," said the man, "that the past isn't a fiction designed to account for the discrepancy between my immediate physical sensations and my state of mind?"

Success treads on every right step. For the instinct is sure, that prompts him to tell his brother what he thinks. He then learns, that in going down into the secrets of his own mind, he has descended into the secrets of all minds. He learns that he who has mastered any law in his private thoughts, is master to that extent of all men whose language he speaks, and of all into whose language his own can be translated.

To different minds, the same world is a hell, and a heaven.

The perfect way is only difficult for those who pick and choose. Do not like, do not dislike; all will then be clear. Make a hairbreadth difference and heaven and earth are set apart; if you want the truth to stand clear before you, never be for or against. The struggle between "for" and "against" is the mind's worst disease.

The reading of all good books is like a conversation with the finest minds of past centuries.

In order to improve the mind, we ought less learn than to contemplate.

To create and to annihilate material substance, cause it to aggregate in forms according to his desire, would be the supreme manifestation of the power of Man's mind, his most complete triumph over the physical world, his crowning achievement, which would place him beside his Creator, make him fulfill his Ultimate Destiny.

Amusement to an observing mind is study.

I have always believed that exercise is the key not only to physical health but to peace of mind.

Human beings are divided into mind and body. The mind embraces all the nobler aspirations, like poetry and philosophy, but the body has all the fun.

True peace of mind comes from accepting the worst. Psychologically, I think, it means a release of energy.

We must combine the toughness of the serpent with the softness of the dove, a tough mind and a tender heart.

Most people don't remember names, for the simple reason that they don't take the time and energy necessary to concentrate and repeat and fix names indelibly in their minds. They make excuses for themselves; they are too busy.

I am indeed amazed when I consider how weak my mind is and how prone to error.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.

Seek ye first the good things of the mind, and the rest will either be supplied or its loss will not be felt.

Certainly, it is heaven upon earth, to have a man's mind move in charity, rest in providence, and turn upon the poles of truth.

The use of this feigned history hath been to give some shadow of satisfaction to the mind of man in those points wherein the nature of things doth deny it, the world being in proportion inferior to the soul.