Never stop learning because the world never stops changing.
永远不要停止学习,因为世界永远不会停止变化。
【释义】当商品价格高涨时,要像对待粪土一样迅速出售;当商品价格低廉时,要像对待珠玉一样大量购入。
最高尚的快乐是理解的喜悦。
Theoretically there is a perfect possibility of happiness: believing in the indestructible element within oneself, and not striving towards it.