Achievement brings its own anticlimax.

Men build too many walls and not enough bridges.

It is man that makes truth great, not truth that makes man great.

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

And this sensitivity will create new friendships for you - friendships with trees, with birds, with animals, with mountains, with rivers, with oceans, with stars. Life becomes richer as love grows.

Everything excellent is as difficult as it is rare.

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

A house divided against itself cannot stand.

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

One new feature or fresh take can change everything.

Thoughts without content are empty, intuitions without concepts are blind.

Let no man pull you low enough to hate him.

The greatest power we have is the power of choice.

Just remember, once you're over the hill you begin to pick up speed.

Immoderate desire is the mark of a child, not a man.

Intellectuals solve problems, geniuses prevent them.

Nature is pleased with simplicity. And nature is no dummy

It is tact that is golden, not silence.

Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it.

If a man could have half of his wishes, he would double his troubles.

Your visions will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.