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.

政府、企业和社会之间的合作对于应对气候变化至关重要。

Science is the crystallization of human wisdom and an important force driving social progress.

数学的美在于它简化复杂问题的能力。

化学的故事是人类探索理解世界的故事。