When everything is easy one quickly gets stupid.

I don’t think about the past or the future. I focus on the present.

I want to leave a legacy that goes beyond tennis.

History will be kind to me for I intend to write it.

绝望会加倍力量。

Emotions are biological signals that prepare the organism for action.

We must listen to the land - it tells us what it needs if we're willing to hear.