"Be modest, be respectful of others, try to understand."

"A fly cannot go in unless it stops somewhere therefore weapons, fuel, food, money will not go to Afghanistan unless the neighbors of Afghanistan are working, are cooperating, either being themselves the origin or the transit."

"Since turning professional at 18, I have travelled the world playing the game that I love and consider myself a global player. As the World No.1 right now, I wish to be a positive role model and a sportsperson that people respect, and enjoy watching."

"Marks of Identity is, among other things, the expression of the process of alienation in a contemporary intellectual with respect to his own country."

"I met Jesse Owens once. He was a remarkable individual, and I have tremendous respect for what he did in the Olympics under the circumstances."

"It is the dissimilarities and inequalities among men which give rise to the notion of honor as such differences become less, it grows feeble and when they disappear, it will vanish too."