If water derives lucidity from stillness, how much more the faculties of the mind! The mind of the sage, being in repose, becomes the mirror of the universe, the speculum of all creation.
ZhuangziIn an archery contest, when the stakes are earthenware tiles a contestant shoots with skill. When the stakes are belt buckles he becomes hesitant, and if the stakes are pure gold he becomes nervous and confused. There is no difference as to his skil.
Zhuangzi