善无主于心者不留，行莫辩于身者不立。
善意并不是自己内心发出的，不能保留；行为自身不能够理解和辨别的，不能去做。
The true revolutionary is guided by a great feeling of love.
身为爱尔兰人就是要明白，这个世界终将让你心碎。
现代时代最重要的政治发展是现代国家的崛起。
Success is not just about what you achieve, but how you achieve it.
But there is only one thing which gathers people into seditious commotion, and that is oppression.
数学的本质在于它的自由。
