The galactic center is a unique natural experiment in strong gravity.
数学不是一项观赏性运动;要理解它,必须积极参与其中。
In mathematics, the journey to the solution is just as important as the solution itself.
The best way to find yourself is to lose yourself in the service of others.
水产养殖的效率绝不能以牺牲动物福利或环境完整性为代价。
保持谦逊,保持渴望