Think globally, act locally.
The oldest, shortest words- 'yes' and 'no'- are those which require the most thought.
A house divided against itself cannot stand.
Real knowledge is to know the extent of one's ignorance.
Be silent or let thy words be worth more than silence.
There are no eternal facts, as there are no absolute truths.
Attitude, not Aptitude, determines Altitude.
The wound is the place where the Light enters you.
I don't know, I don't care, and it doesn't make any difference.
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 greatest of wealth is the richness of the soul.
There is a wisdom of the head, and... there is a wisdom of the heart.
It is always advisable to perceive clearly our ignorance.
A scholar who cherishes the love of comfort is not fit to be deemed a scholar.
The lie is a condition of life.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
You always admire what you really don't understand.
Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more
The only way to get the best of an argument is to avoid it.
A proverb is much matter distilled into few words.
It is a wise man that does know the contented man is never poor, whilst the discontented man is never rich.