The challenge with hepatitis C was not just to find the virus, but to understand how it evades the immune system.
最优秀的领导者是那些能将愿景变为现实的人。
The key to successful investing is to stay the course and avoid unnecessary risks.
文学是社会的镜子，反映了它的美德和缺陷。
In our reasonings concerning matter of fact， there are all imaginable degrees of assurance， from the highest certainty to the lowest species of moral evidence.
Education is not about filling a bucket, but about lighting a fire.