Quality is never an accident; it is always the result of intelligent effort.

癌症治疗的未来在于免疫疗法。

发现的喜悦无疑是人类心灵所能感受到的最活跃的喜悦。

The world is full of stories, but the stories are all one.

The secret of change is to focus all of your energy not on fighting the old, but on building the new.

It takes a strong man to save himself, and a great man to save another.

The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.