It is a wise man that does know the contented man is never poor, whilst the discontented man is never rich.
Intelligence is the ability to adapt to change.
All that we see or seem is but a dream within a dream.
If we don't believe in freedom of expression for people we despise, we don't believe in it at all.
There are things known and there are things unknown, and in between are the doors of perception.
The best revenge is to be unlike him who performed the injury.
Realize deeply that the present moment is all you ever have.
In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.
The first method for estimating the intelligence of a ruler is to look at the men he has around him.
Convictions are more dangerous enemies of truth than lies.
You are braver than you believe, stronger than you seem, and smarter than you think.
Each problem that I solved became a rule which served afterwards to solve other problems.
A good teacher protects his pupils from his own influence.
Obsession is the wellspring of genius and madness.
None but ourselves can free our minds.
The only real mistake is the one from which we learn nothing.
It seems essential, in relationships and all tasks, that we concentrate only on what is most significant and important.
The secret of life, though, is to fall seven times and to get up eight times.
It is not the strength, but the duration, of great sentiments that makes great men.
I have already joined myself in marriage to a husband, namely the kingdom of England.
I have no desire to make windows into mens souls