Each problem that I solved became a rule which served afterwards to solve other problems.
The only way to get the best of an argument is to avoid it.
Strength does not come from physical capacity. It comes from an indomitable will.
Empty your cup so that it may be filled; become devoid to gain totality.
It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.
Obsession is the wellspring of genius and madness.
Men become wise just as they become rich, more by what they save than by what they receive.
Tell the truth. Sing with passion. Work with laughter. Love with heart. 'Cause that's all that matters in the end.
Mistakes are always forgivable, if one has the courage to admit them.
It is neither good nor bad, but thinking makes it so.
Sometimes one creates a dynamic impression by saying something, and sometimes one creates as significant an impression by remaining silent.
Experience is the only prophecy of wise men.
Rational discussion is useful only when there is a significant base of shared assumptions.
A scholar who cherishes the love of comfort is not fit to be deemed a scholar.
What can't be cured must be endured.
The greatest of wealth is the richness of the soul.
Better mad with the rest of the world than wise alone.
A perfection of means, and confusion of aims, seems to be our main problem.
Destiny is not a passive agent that lies in the lap of the Gods, but is an active instrument that lies in your own hands to shape as you will.
The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.
The path to success is to take massive, determined action.