物理学家必须拥有生动的想象力，但必须受到严格逻辑的约束。

与众不同意味着你有特别的东西可以奉献给这个世界。

In machine learning, the trade-off between bias and variance is crucial for achieving good generalization.

I pursue no objectives, no systems, no tendency; I have no program, no style, no direction.