Don't let fear stop you from chasing your dreams.

量子力学的美在于它能够描述最小尺度下粒子的行为，即使它违背了我们的经典直觉。

解释：教化不好，国政就难以治理。指治国治民，教化为先。

Inflation is the mechanism that can make the universe flat, homogeneous, and isotropic.

Problem solving is a search through a space of possible solutions.

The trick is not to learn to trust your gut feelings, but rather to discipline yourself to ignore them.