The mark of great sportsmen is not how good they are at their best, but how good they are their worst.

The mark of great sportsmen is not how good they are at their best, but how good they are their worst.

伟大运动员的标志不是他们在最好的时候有多优秀，而是他们在最差的时候有多优秀。

-- Martina Navratilova 娜拉提诺娃