免疫系统就像一把双刃剑；它可以对抗癌症，但也需要被控制。

商业中的诚信是不可妥协的——它是持久成功的基础。

The challenge is not to represent Africa, but to present African complexities.

Gratitude can transform common days into thanksgivings, turn routine jobs into joy, and change ordinary opportunities into blessings.

Every artist dips his brush in his own soul, and paints his own nature into his pictures.