nice sentences（摘录）

The better must come before the sweet; and that also makes the sweet the sweeter.

苦先于甜，甜更甜。

--John Bunyan

宝剑锋从磨砺出，梅花香自苦寒来。

Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.

乐观是通往成功的信念。没有希望和信心将一事无成。

——海伦·凯勒

你不自信一点，怎么乘风破浪？