For myself I am an optimist - it does not seem to be much use to be anything else.
我本人是个乐观主义者，因为做别的貌似没什么用。
"What I need is the dandelion in the spring. The bright yellow that means rebirth instead of destruction. The promise that life can go on, no matter how bad our losses. That it can be good again."
"The only limits in life are the ones you make."
健康的心灵和健康的身体同等重要。
发现的旅程充满了不确定性，但正是这些不确定性使科学如此令人兴奋。
适应力是在快速变化市场中生存的关键。
There are no lines in nature, only areas of color, one against another.
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.