君主对于有才能的贤良之人应当抬举，让他处于尊位，富贵绵长；对于没有能力且无德的人应当废弃，让他贫困低贱，成为受驱使的奴仆。

We are each our own devil, and we make this world our hell.

最深远的技术是那些变得无形的技术，因为它们深深融入我们的生活。

"The success of machine learning depends on the ability to balance the trade-off between bias and variance in the models we build."

Quantum mechanics is not just a theory about the world, it is a description of the world at its most fundamental level.