The balance between production and conservation is delicate, but achievable.

The secret of change is to focus all of your energy, not on fighting the old, but on building the new.

追求知识是一生的旅程，而发现的喜悦是其最大的回报。

Leadership is about inspiring people to do things they never thought they could do.

The world breaks everyone, and afterward, many are strong at the broken places.

数学的研究就像空气或重力——它无处不在，即使你看不到它。