If you’re changing the world, you’re working on important things. You’re excited to get up in the morning.

Consciousness is the phenomenon whereby the universe's very existence is made known.

Life is not like cooking, where you can prepare all the ingredients before you start cooking.

Men are born ignorant， not stupid； they are made stupid by education.

The most sustainable product is the one that lasts the longest.

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。