Mathematics is the music of reason.
A tannery’s legacy should be measured by its environmental stewardship.
广告的目的是销售。这是唯一的目的。
教师必须具有健康的体魄,农人的身手,科学的头脑,艺术的兴味,改革社会的精神。
In the end, it is not the years in your life that count, but the life in your years.