大地的诗歌永远不会消亡。
一个句子的意义不仅仅在于词语本身,还在于它所执行的言行行为。
成功的关键在于持续学习和改进。
古代著书立说的人,都有卓越的见解而自成一家,后世无法轻易改变。
Time is a slippery thing: lose hold of it once, and its string might sail out of your hands forever.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.