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

I have no desire to make windows into mens souls

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

Simplicity is the ultimate sophistication.

Knowing yourself is the beginning of all wisdom.

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

Learned we may be with another man's learning: we can only be wise with wisdom of our own.

It is not titles that honor men, but men that honor titles.

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.

Things which matter most must never be at the mercy of things which matter least.

You are the bows from which your children as living arrows are sent forth.

Whatever it is you're seeking won't come in the form you're expecting.

An understanding of the natural world is a source of not only great curiosity, but great fulfilment.

Knowing is not enough, we must apply. Willing is not enough, we must do.

Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.

One new feature or fresh take can change everything.

Men build too many walls and not enough bridges.

Most of us have far more courage than we ever dreamed possible

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

A proverb is much matter distilled into few words.

The ultimate authority must always rest with the individual's own reason and critical analysis.