解释：对事物最好的证明是有效果，对论点最好的认定是有证据。

The pace of change demands that we unlearn as much as we learn.

The strength of Olympism comes to it from that which is simply human， hence worldwide is its essence.

生活是一场戏，我们必须扮演好自己的角色。

忠诚就是一切。没有它，你一无所有。