When you do something best in life, you don’t really want to give that up – and for me it’s tennis.

可持续性不是一种趋势，而是我们对后代的责任。

奥林匹克精神既不是一个种族的财产，也不是一个时代的财产。

In mathematics, the simplest questions often lead to the most profound discoveries.

The gods to their dear shelter take you, maid, That justly think'st, and hast most rightly said!

Efficiency without ethics is a path to failure.

出自汉·桓宽《盐铁论·执务》。阜，土山。土积得多便会成山，水积得多便成江河。此以积土成山、积水成河为喻，说明积少成多、凡事要从一点一滴做起的道理。