气候科学不是关于信仰 - 而是关于证据和严格的测试。
Climate science is not about belief - it's about evidence and rigorous testing.
我既不肯定也不否定，而是暂时保持怀疑。
We must not always talk in the market-place of what happens to us in the forest.
Leadership means having the courage to make tough decisions today for a better tomorrow.
In all things — except love — start with the exit strategy. Prepare for the ending. Almost anything is easier to get into than out of.
我不拿自己和任何人比较。