People think my life has been tough, but I think has been a wonderful journey. The older you get, the more you realise it's not what happens, but how you deal with it.

I type 40 words per minute on a normal computer with my left foot. And with two cups of coffee, I can do 53 words per minute.

For me, motivation is easy. I enjoy what I'm doing, and I'm lucky to play tennis. I enjoy the suffering. It's something quite natural for me to go on the court and suffer, and to go in the gym and to suffer, and to know the only way to get better is to work out - that's what I like.

Suffering becomes beautiful when anyone bears great calamities with cheerfulness, not through insensibility but through greatness of mind.

I am so dedicated, so passionate, and that counts for more than what crazy people throw at me.

God had one son on earth without sin, but never one without suffering.

Do not lose courage in considering your own imperfections.

The tired ox treads with a firmer step.

The Roman world is falling, yet we hold our heads erect instead of bowing our necks.

But Our Lady allowed this trouble to befall me for the good of my soul; without it, vanity might have crept into my heart, whereas now I was humbled, and looked at myself with profound contempt. My God, Thou alone knowest all that I suffered.

Try again. Fail again. Fail better.

Adversity has ever been considered the state in which a man most easily becomes acquainted with himself.