"Please, don't call it the Davis Cup anymore. We used to go and play in South Africa, Australia, India. The Davis Cup lasted all year and for us Europeans it was the most important thing, more than Wimbledon. [...] Now the Davis Cup lasts three days. Interviewer: What happened? Panatta: The more professional tennis became, the more money was earned in tournaments and with sponsors, the less players wanted to take on trips for the national team."
January 1, 1970
https://en.wikiquote.org/wiki/Adriano_Panatta