The tougher the job, the greater the reward.
George Allen, Sr.
The world is a tougher place to live in than it was back then, as we come into the computer age.
Joe Cocker
I survived because I was tougher than anybody else.
Bette Davis
Regulations about environments are going to get tougher and tougher.
Carlos Ghosn
I think I do better when things are a little tougher.
Richard Marx
I can take it. The tougher it gets, the cooler I get.
Richard M. Nixon
I think the tougher the challenge the better.
Jim Otto
Sometimes I say the medication is even tougher than the illness.
Sanya Richards-Ross
Age 50 is a lot tougher than 40s.
Bill Rodgers