唯一的限制是你自己设定的。
The only limit is the one you set yourself.
当准备遇到机会时，成功就会到来。
Free trade is the key to the prosperity of a nation.
选择怀疑作为生活的哲学，就像选择静止作为交通工具一样。
In mathematics, as in life, the most profound discoveries often come from asking the simplest questions.
哲学的任务不是解决问题，而是对问题本身提出质疑。