题目内容：
Mansoor Malik
A．A rich person is not necessarily happy． B．Things people often overlook may be the very source of happiness．
C．Happiness can be promoted on a scientific basis．
D．We should mainly rely on ourselves for happiness．
E．Happiness lies in giving instead of taking．
F．The environment is a source of happiness．
G．Happiness can be achieved if we stick to the best of our values．
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