In every person, there is an abyss. Sometimes you look into it, and sometimes you don’t.

网球是一项残酷的运动。在那里无处可藏。

一个人的信念必须超越自我和个人需求，它可以是自己的公司、祖国或服役义务。任何因信念和核心价值观的激励而选择的挑战都是值得的，无论最终的结果是成功还是失败。

Success does not consist in never making mistakes but in never making the same one a second time.