The language of mathematics is universal; it transcends all cultural barriers.

You can't have a better tomorrow if you're still thinking about yesterday.

There is no way you can live an adequate life without making mistakes.

请转告我对这家饭店厨师的赞誉，这是全世界最糟糕的三明治了，还有，我点的是豆瓣菜三明治，我并不是要面包片中夹一块菜田。