True loneliness is not being alone, but feeling lonely in a crowd.
真正的孤独不是一个人独处,而是在人群中依然感到孤独。
圆的周长大于任何内接等边多边形的周长,小于任何外切多边形的周长。
预测未来的最好方法就是创造未来。
Understanding the limits of computation is as important as pushing its boundaries.