A wise man fills his brains before emptying his mouth.

Knowing your own darkness is the best method for dealing with the darknesses of other people.

No man can reveal to you aught but that which already lies half asleep in the dawning of your knowledge.

I keep six honest serving men (they taught me all I knew); Their names are What and Why and When And How and Where and Who.

The knowledge and skills you have achieved are meant to be forgotten so you can float comfortably in emptiness, without obstruction.

It is always advisable to perceive clearly our ignorance.

A little knowledge that acts is worth infinitely more than much knowledge that is idle.

When angry, count to ten before you speak; if very angry, one hundred.

We know how to speak many falsehoods which resemble real things, but we know, when we will, how to speak true things.

Man's tongue is soft, and bone doth lack; yet a stroke therewith may break a man's back.

Let thy speech be short, comprehending much in few words

We shall soon be in a world in which a man may be howled down for saying that two and two make four, in which people will persecute the heresy of calling a triangle a three-sided figure, and hang a man for maddening a mob with the news that grass is green.

Listen with ears of tolerance, see through the eyes of compassion, speak with language of love.

The right to free speech is more important than the content of the speech.

If one but tell a thing well, it moves on with undying voice, and over the fruitful earth and across the sea goes the bright gleam of noble deeds ever unquenchable.

He’s a wonderful talker, who has the art of telling you nothing in a great harangue.

People who know what they’re talking about don’t need PowerPoint.

Fear of serious injury cannot alone justify suppression of free speech and assembly. Men feared witches and burned women. It is the function of speech to free men from the bondage of irrational fears.

A wise man proportions his belief to the evidence.

I hope our wisdom will grow with our power, and teach us, that the less we use our power the greater it will be.

First, have a definite, clear practical ideal; a goal, an objective. Second, have the necessary means to achieve your ends; wisdom, money, materials, and methods. Third, adjust all your means to that end.

Grant me, O Lord my God, a mind to know you, a heart to seek you, wisdom to find you, conduct pleasing to you, faithful perseverance in waiting for you, and a hope of finally embracing you. Amen.

Wisdom is nothing but a preparation of the soul, a capacity, a secret art of thinking, feeling and breathing thoughts of unity at every moment of life.