A man who is 'of sound mind' is one who keeps the inner madman under lock and key.
When you live in the shadow of insanity, the appearance of another mind that thinks and talks as yours does is something close to a blessed event.
To my mind, the life of a lamb is no less precious than that of a human being. I should be unwilling to take the life of the lamb for the sake of the human body. I hold that, the more helpless a creature, the more entitled it is to protection by man from the cruelty of man.
Only in quiet waters do things mirror themselves undistorted. Only in a quiet mind is adequate perception of the world.
Great spirits have always encountered violent opposition from mediocre minds.
Science is the tool of the Western mind and with it more doors can be opened than with bare hands. It is part and parcel of our knowledge and obscures our insight only when it holds that the understanding given by it is the only kind there is.
To my mind to kill in war is not a whit better than to commit ordinary murder.
Any fool can make a rule, and every fool will mind it.
On each race is laid the duty to keep alight its own lamp of mind as its part in the illumination of the world. To break the lamp of any people is to deprive it of its rightful place in the world festival.
When Life does not find a singer to sing her heart she produces a philosopher to speak her mind.
Education's purpose is to replace an empty mind with an open one.
Most of us are just about as happy as we make up our minds to be.
If words are to enter men's minds and bear fruit, they must be the right words shaped cunningly to pass men's defenses and explode silently and effectually within their minds.
The willow which bends to the tempest, often escapes better than the oak which resists it; and so in great calamities, it sometimes happens that light and frivolous spirits recover their elasticity and presence of mind sooner than those of a loftier character.
There is nothing so disagreeable, that a patient mind cannot find some solace for it.
Man's mind stretched to a new idea never goes back to its original dimensions.
Too much consistency is as bad for the mind as for the body.
The greatest discovery of my generation is that human beings can alter their lives by altering their attitudes of mind.
All our words are but crumbs that fall down from the feast of the mind.
My idea of education is to unsettle the minds of the young and inflame their intellects.
Books are the bees which carry the quickening pollen from one to another mind.
The mind cannot long act the role of the heart.
Nothing is at last sacred but the integrity of your own mind.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
The mind has exactly the same power as the hands; not merely to grasp the world, but to change it.