我相信伟大的教师就是伟大的艺术家，而且这样的艺术家和其他任何伟大的艺术家一样稀少。教学甚至可能是最伟大的艺术，因为它的媒介是人的思想和精神。
I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.
"I was unconditionally and irrevocably in love with him."
The best view comes after the hardest climb.
The challenges of climate change demand urgent action from the scientific community.
在当今快速变化的世界中，适应性是任何企业最重要的特质。