过去是一个异国;他们在那里做事的方式不同。
The past is a foreign country; they do things differently there.
最好的艺术教育是教会学生如何观看。
政治制度的力量在于其适应变化环境的能力。
失败的勇气与成功的意愿同样重要。
To understand recursion, one must first understand recursion.
The beauty of mathematics only shows itself to more patient followers.