A certain amount of care or pain or trouble is necessary for every man at all times .A ship without a ballast is unstable and will not go straight.
(Arthur Schopenhauer. Geman philosopher)
一定的忧愁、痛苦或烦恼，对每个人都是时时必需的。一艘船如果没有压舱物，便不会稳定，不能朝着目的地一直前进。 (德国哲学家 叔本华 A)
A man who fears suffering is already suffering from what he fears.
(Michel Eyquem Montaigne, French essayist)
害怕痛苦的人已经在承受他所害怕的痛苦了。
(法国散文家 蒙田 M E)
As empty vessels make the loudest sound, so they that have least wit are the greatest babblers.
(Plato , Ancient Greek Philosopher)
正像空容器发出的声音最大，智力最低者最善于唠叨不休。
(古希腊哲学家 柏拉图)
