《孟子·告子章句上·第十五节》
心这个器官则会思考，思考就会得到答案，不会思考的就得不到答案。
心之官则思，思则得之，不思则不得也。
The mind is the ruler of the body and will receive the direction of heaven. If the mind of the superior man be great, his will will be great; if his mind be small, his will will be small.