The only thing that can make you a success is your hard work.
唯一能让你成功的是你的努力工作。
What can be shown, cannot be said.
The greatest thing in style is to have a command of metaphor.
释义：现在的贫富情况不能决定以后的穷富，将来的富裕或贫困情况还不能预知。
最坚固的锁链是由恐惧而非钢铁制成的。