Mathematics is not a spectator sport—you have to engage with it to appreciate its beauty.
Sustainability is the only path forward for our industry. Those who ignore this will be left behind.
"Sometimes, you have to look back in order to understand the things that lie ahead."
"The past is a ghost that refuses to leave."
当孩子被放在自然环境里,他会显示出自己的能力。
If you can't understand why someone is doing something, look at the consequences of their actions, whatever they might be, and then infer the motivations from their consequences.