An archer competing for a clay vessel shoots effortlessly, his or her skill and concentration unimpeded. If the prize is changed to a brass ornament, the hands begin to shake. If it is changed to gold, he or she squints as if going blind. The abilities do not deteriorate, but belief in them does, as he or she allows the supposed value of an external reward to cloud the vision.
ZhuangziDo not struggle. Go with the flow of things, and you will find yourself at one with the mysterious unity of the Universe.
ZhuangziParaphrased: When Chuang Tzu was about to die, his disciples began planning a splendid funeral. However some disciples expressed concern that given a particular arrangement, birds and kites would eat his remains. Chuang Tzu replied, "Well, above ground I shall be eaten by crows and kites, below it by ants and worms. What do you have against birds?
Zhuangzi