The best way to predict the future is to create it.
"When I approach a child, he inspires in me two sentiments: tenderness for what he is, and respect for what he may become."
不可以同井底的青蛙谈论大海的辽阔,因为有空间的拘束;不可以同夏天的小虫谈论冰冻的寒冷,因为有时节的局限。