He who is slowest in making a promise is most faithful in its performance.

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

We choose our joys and sorrows long before we experience them.

He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.

As the soft yield of water cleaves obstinate stone, So to yield with life solves the insolvable: To yield, I have learned, is to come back again.

Where wisdom reigns, there is no conflict between thinking and feeling.

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

I think, therefore I am.

It is always advisable to perceive clearly our ignorance.

Tact is the knack of making a point without making an enemy.

Early to bed and early to rise, Makes a man healthy, wealthy, and wise.

Gravity is only the bark of wisdom's tree; but it preserves it

None but ourselves can free our minds.

You place too much importance... on the so-called purity of blood! You fail to recognize that it matters not what someone is born, but what they grow to be!

A house is not a home unless it contains food and fire for the mind as well as the body.

Good means not merely not to do wrong, but rather not to desire to do wrong.

The road of excess leads to the palace of wisdom.

Intellectuals solve problems, geniuses prevent them.

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

All differences in this world are of degree, and not of kind, because oneness is the secret of everything.

Not everything that can be counted counts, and not everything that counts can be counted.