“You gotta be careful about how you phrase that. You don't want to be rude to the other players, because you gotta face them; I don't have to face them. Yeah, I don't ask them stupid questions like that (laughing)…Um, I think there a lot of good players on the tour.”
Press conference at the 2016 Australian Open after semi-final loss to Novak Djokovic, after reporter's suggestion that the victor's dominance may be greater than any other in history due to 'there being no great opponents in the future.' http://www.dailymail.co.uk/news/article-3420985/Cranky-Roger-Federer-loses-reporter-asks-quality-current-players-crushing-defeat-hands-Novak-Djokovic-Australian-Open-semi-final.html
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Roger Federer 32
Swiss tennis player 1981Related quotes

“You gotta be careful: don't say a word to nobody about nothing anytime ever.”
Referring to James Randi's offer of $1 million dollars to test her psychic ability.
September 3, 2001 Larry King Live, CNN interview http://transcripts.cnn.com/TRANSCRIPTS/0109/03/lkl.00.html

“Why you gotta act like you know, if you don't know?
It's okay if you don't know everything.”
"Bastard", "Songs for Silverman" (2005).
Song lyrics, Solo

Dialogue between Russell and his daughter Katharine, as quoted in My Father – Bertrand Russell (1975)
Attributed from posthumous publications

Homecoming saga, The Memory Of Earth (1992)