A professional writer is an amateur who didn't quit.

Our soulmate is the one who makes life come to life.

Avoid problems, and you'll never be the one who overcame them.

Aerodynamics is mathematics for those who haven't learned to do calculus. In my case, too, for one who hasn't learned to add or multiply, at least the first time.

The two teams are really different. Japan is a very professional team and Cuba is an amateur team.

I have a background in erotic dancing, but that's mostly just - it's not professional, it's just amateur.