Originally Posted by Gotama Buddha
Mind is the forerunner of all phenomena. Mind is their chief; they are all mind-made. If, with an impure mind, a person speaks or acts, suffering follows him like the wheel that follows the foot of the ox.
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"He abused me, he struck me, he overpowered me, he robbed me." Those who harbor such thoughts will not overcome their anger.
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Hatred is never appeased by hatred in this world. By non-hatred alone is hatred appeased. This is a law eternal.
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Just as rain breaks through a badly-thatched house, so passion penetrates an undeveloped mind.
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The doer of good delights here and hereafter; he delights in this life and future lives. He thinks "I have done good things" and this makes him happy, and he is even happier in the hereafter.