Choose rather to be strong of soul than strong of body.

There is geometry in the humming of the strings. There is music in the spacing of the spheres.

Let him who would move the world first move himself.

It is hard to fight desire; but to control it is the sign of a reasonable man.

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

The heart has its reasons which reason knows not.

The more that you read, the more things you will know. The more that you learn, the more places you'll go.

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

Muddy water is best cleared by leaving it alone.

A scholar who cherishes the love of comfort is not fit to be deemed a scholar.

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

The lie is a condition of life.

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

I have already joined myself in marriage to a husband, namely the kingdom of England.

Confidence is contagious. So is lack of confidence.

The secret of life, though, is to fall seven times and to get up eight times.

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

If we do not lay out ourselves in the service of mankind whom should we serve?

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

It’s your road and yours alone. Others may walk it with you, but no one can walk it for you.

Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.