Every failure in the lab brings us one step closer to success.
One foul sentence does more hurt than many foul examples. For these do but corrupt the stream；the other corrupt the fountain.
如果易用性是唯一的要求，那么每个人都会还在骑三轮车。
The concept of reducibility is central to understanding the relationships between different computational problems.
La historia de un país no se puede entender sin conocer su literatura.
We are not asked to be successful, only to be faithful.