学者须先立志。志既立，则学问可次第着力。
求学的人必须先立下志向。志向确立后，学问就可以按部就班地下功夫。
"You see, but you do not observe."
Responsible forestry isn't about limiting progress—it's about redefining what progress means.
You do not need to leave your room. Remain sitting at your table and listen. Do not even listen, simply wait. Do not even wait, be quite still and solitary. The world will freely offer itself to you to be unmasked, it has no choice, it will roll in ecstasy at your feet.
目的赋予心理活动意义。