Judge not unless you judge yourself.

Energy may be likened to the bending of a crossbow; decision,to the releasing of a trigger.

Don't criticize what you can't understand.

Be curious, not judgmental.

Criticize the act, not the person.

To me, being an intellectual doesn't mean knowing about intellectual issues; it means taking pleasure in them.

In order to change the world, you have to get your head together first

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

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

It is a wise man that does know the contented man is never poor, whilst the discontented man is never rich.

If you're happy, don't worry you'll get over it.

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

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.

I write with experiences in mind, but I don't write about them, I write out of them.

Nothing is as easy as it looks.

I've come to believe that all my past failure and frustration were actually laying the foundation for the understandings that have created the new level of living I now enjoy.

The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.

To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.

Nobody made a greater mistake than he who did nothing because he could do only a little.

We thought that we had the answers, it was the questions we had wrong.

No act of kindness, no matter how small, is ever wasted.