By developing a sense of respect for others and a concern for their welfare, we reduce our own selfishness, which is the source of all problems, and enhance our sense of kindness, which is a natural source of goodness.
Dalai LamaIf you lose your temper, your sound sleep will go, and you will have to use a tranquilizer or sleeping pills? Then gradually, more white hair, wrinkles.
Dalai Lama