If you're trying to achieve, there will be roadblocks. I've had them; everybody has had them. But obstacles don't have to stop you. If you run into a wall, don't turn around and give up. Figure out how to climb it, go through it, or work around it.

The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.

The act of writing is an act of courage.

事实是，每个人都会伤害你；你只需要找到那些值得你为之受苦的人。

存心养性要谦抑专一，如春天般的舒缓温和；自察反省要谨慎严格，像秋天般冷峻严肃。

"The line between hero and villain is often thinner than we think."

Sustainability isn't a trend; it's the future of energy.