心术以光明笃实为第一，容貌以正大老成为第一，言语以简重真切为第一。
用心最重要的是光明坦诚，外表最重要的是要正直沉稳，说话最重要的是要简洁真诚。
Decide upon your major definite purpose in life and then organize all your activities around it.
The beauty of mathematics is not in its complexity, but in its simplicity and the profound truths it reveals about the universe.
Mathematical intuition is like a muscle - it grows stronger with exercise.
一个思想若称不上危险，那么它就不值得称作思想。
The act of writing is an act of memory.
The ethical implications of genetic modification must be carefully considered.