德之不修，学之不讲，闻义不能徙，不善不能改，是吾忧也。
不修养品德，不讲习学问，听到正义不能追随，有缺点不能改正，这些都是我所忧虑的。
Sustainability isn’t a trend—it’s a responsibility we all share.
你宛若一场天国的绮梦，尘世的爱情不配去攀求。
Every age has its massive moral blind spots. We might not see them, but our children will.
Precision measurements in astronomy open new windows to understanding the universe.