Nothing is softer or more flexible than water, yet nothing can resist it.

I hear and I forget. I see and I remember. I do and I understand.

Real knowledge is to know the extent of one's ignorance.

One of the truest tests of integrity is its blunt refusal to be compromised.

Wise men speak because they have something to say; Fools because they have to say something.

The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

To me, being an intellectual doesn't mean knowing about intellectual issues; it means taking pleasure in them.

Wisdom is not the product of schooling, but of the lifelong attempt to acquire it.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

The ethos of redemption is realized in self-mastery, by means of temperance, that is, continence of desires.

Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.

Those who know, do. Those that understand, teach.

Unfortunately, the clock is ticking, the hours are going by. The past increases, the future recedes. Possibilities decreasing, regrets mounting.

You can best serve civilization by being against what usually passes for it.

What lies behind us and what lies ahead of us are tiny matters compared to what lives within us.

It is a cliche that most cliches are true, but then like most cliches, that cliche is untrue.

The experience gathered from books, though often valuable,is but the nature of learning whereas the experience gained from actual life is of the nature of wisdom.

The greatest of all mistakes is to do nothing because you think you can only do a little

Act as if the maxim of your action were to become through your will a general natural law

I have no desire to make windows into mens souls

The first thing you'll have to do, is the last thing you wished.