领导力是关于做出艰难的决定并坚持下去。

里氏替换原则是面向对象编程中的一个基本概念，确保派生类可以替代其基类使用，而不会改变程序的正确性。

巴黎的街道有自己的记忆。

The key to fighting poverty is to break it down into smaller, more manageable problems.

教育是一盏灯，但许多人从未找到开关。

Maybe every man has had two such women, at least two. Married to a red rose, over time, the red becomes a mosquito blood stain on the wall, while the white remains "moonlight before the bed"; married to a white rose, the white becomes a grain of sticky rice on the clothes, while the red remains a cinnabar mole on the heart.

【解释】不是自己分内应享受的幸福，无缘无故得到意外之财，即便不是上天的诱饵，也是诈骗的陷阱，不睁大眼睛，就会落入圈套中。