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The task must be made difficult, for only the difficult inspires the noble-hearted.
任务必须是困难的,因为只有困难才能激发高尚的心灵。
If you aren't in over your head, how do you know how tall you are?
In the realm of mathematics, every problem is an opportunity to discover something new and profound.
所谓仁人,只要能做到自己想成功时先帮别人成功,自己想得到时先帮别人得到,就可以了。推己及人,可算实行仁的方法。
贫困并非不可避免;它是一个可以解决的问题。