There are things known and there are things unknown, and in between are the doors of perception.

Wisdom... comes not from age, but from education and learning.

I dream. Sometimes I think that's the only right thing to do.

The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

When I stand before God at the end of my life, I would hope that I would not have a single bit of talent left, and could say, 'I used everything you gave me'.

The simple things are also the most extraordinary things, and only the wise can see them.

If you would take, you must first give, this is the beginning of intelligence.

It is not the strength, but the duration, of great sentiments that makes great men.

Respect yourself if you would have others respect you.

In moments of great grief, that’s where you look and immerse yourself. You realise you are not immortal, you are not a god, you are part of the natural world and you come to accept that.

Yes, I guess you could say I am a loner, but I feel more lonely in a crowed room with boring people than I feel on my own.

Tact is the knack of making a point without making an enemy.

Be sure you put your feet in the right place, then stand firm.

The road of excess leads to the palace of wisdom.

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

If you have no problems, then you have no clue to what is going.

To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence

Where you stand depends on where you sit.

Obsession is the wellspring of genius and madness.

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

Let no man pull you low enough to hate him.