【释义】：求学就像种树一样，春天赏玩它的花朵，秋天才能收获果实。  

"The world is indeed full of peril, and in it there are many dark places; but still there is much that is fair, and though in all lands love is now mingled with grief, it grows perhaps the greater."

定比定律在我看来与万有引力定律一样不可动摇。