A mind needs books as a sword needs a whetstone if it is to keep its edge.

"In the darkest times, even the smallest acts of kindness can shine like stars."

In distributed systems, the key challenge is achieving consensus among unreliable components.

所有的大人都是孩子，只要你未曾遗忘。

Every performance is a new challenge for me.

Every dot is an independent life.

The discovery of topological insulators has opened up a new frontier in condensed matter physics, where the interplay of symmetry and topology leads to novel quantum states of matter.