专注于你能控制的事情，不要浪费精力在你无法控制的事情上。
Stay focused on what you can control, and don’t waste energy on what you can’t.
You don't need to change a single thing about yourself.
The initial conditions of the universe are a profound mystery, and inflation offers a possible explanation for why the universe looks the way it does.
Mathematics is the foundation upon which we build our understanding of the world, and it is through this understanding that we can solve the most complex problems.
我们对儿童所做的一切，都会开花结果，不仅影响他一生，也决定他一生。
Sustainability isn't a department; it's a design principle that must permeate everything we create.
在文明社会中，唯一合法行使权力来逆行对方意愿的目的，是为了防止对他人的伤害。
思考是最艰难的工作，这可能是为什么如此少的人从事它。
最好的老师是那种建议而不是教条化，并激发听众自我教学愿望的人。