"The world is full of signs and wonders, but we walk past them every day without seeing."
You are never too old to set another goal or to dream a new dream.
The strength of a response tendency depends on the amount of reinforcement received.
情況越糟，扭轉(zhuǎn)局面所需的努力就越小，上升空間就越大。
教師是太陽，學(xué)生是月亮。教師發(fā)光，學(xué)生反射。
最大的挑戰(zhàn)是在一個(gè)試圖讓你和別人一樣的世界里做自己。