科学是人类认识世界、改造世界的强大武器。
Science is a powerful tool for humanity to understand and transform the world.
The longer I am out of office, the more infallible I appear to myself.
政策应该基于证据，而不是意识形态。
You pray for rain, you gotta deal with the mud too. That's a part of it.
追求幸福并不自私——它对于有意义的生活至关重要。