Do not reveal what you have thought upon doing, but by wise council keep it secret being determined to carry it into execution.

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

Everything excellent is as difficult as it is rare.

The most certain sign of wisdom is cheerfulness.

Nothing fixes a thing so intensely in the memory as the wish to forget it.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

Don't expect to build up the weak by pulling down the strong.

Promises are like crying babies in a theater, they should be carried out at once.

He who conquers others is strong; he who conquers himself is mighty.

Obsession is the wellspring of genius and madness.

Where there is anger, there is always pain underneath.

It is hard to fight desire; but to control it is the sign of a reasonable man.

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.

It is necessary to keep one's compass in one's eyes and not in the hand, for the hands execute, but the eye judges.

Tomorrow hopes we have learned something from yesterday.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

Sometimes you will never know the value of a moment until it becomes a memory.

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact

Love make us poets, and the approach of death should make us philosophers.

Men build too many walls and not enough bridges.

Do not deny the classical approach, simply as a reaction, or you will have created another pattern and trapped yourself there.