Simplicity is the ultimate sophistication.

Each problem that I solved became a rule which served afterwards to solve other problems.

Those who can not change their minds can not change anything.

Love one another, but make not a bond of love: Let it rather be a moving sea between the shores of your souls.

Stupidity is a talent for misconception.

Nature is pleased with simplicity. And nature is no dummy

It is neither good nor bad, but thinking makes it so.

There are four ways, and only four ways, in which we have contact with the world. We are evaluated and classified by these four contacts: what we do, how we look, what we say, and how we say it.

The best way to see Faith is to shut the eye of Reason.

Tis very certain the desire of life prolongs it.

To be wronged is nothing unless you continue to remember it.

Whenever you find yourself on the side of the majority, it is time to pause and reflect.

Better mad with the rest of the world than wise alone.

If you buy what you do not need, you will need what you cannot buy.

By three methods we may learn wisdom: first, by reflection which is noblest; second, by imitation, which is the easiest; and third, by experience, which is the bitterest.

It is the mark of an educated mind to be able to entertain a thought without accepting it.

Do not reveal what you have thought upon doing, but by wise council keep it secret being determined to carry it into execution.

Confidence is contagious. So is lack of confidence.

Power always thinks it has a great soul and vast views beyond the comprehension of the weak.

Instinct is a marvellous thing. It can neither be explained nor ignored.

We are all born ignorant, but one must work hard to remain stupid