I would say the most satisfying thing actually is watching my three children each pick up on their own interests and work many more hours per week than most people that have jobs at trying to intelligently give away that money in fields that they particularly care about.
Why, if someone is good in one field can they not be accepted or given the slightest opportunity to express and be creative in other fields?
Do everything you have to do, but not with ego, not with lust, not with envy but with love, compassion, humility, and devotion.
For one who has conquered his mind, a mind is best of friends, but for one who has failed to do so, a mind is the greatest enemy.
When a person responds to the joys and sorrows of others as though they were his own, he or she has attained the highest spiritual union.
It is not those who lack energy or refrain from action, but those who work without expectation of reward attain the goal of meditation.
No one should abandon duties because he sees defects in them. Every action, every activity is surrounded by defects as a fire is surrounded by smoke.
Never consider yourself the cause of the results of your activities, and never be attached to not doing your duty.
Surrender your self interest. Love others as much as you love yourself. Then you can be entrusted with all things under heaven. - Lao Tzu