If necessity is the mother of invention, discontent is the father of progress.
The negative impact of population growth on all of our planetary ecosystems is becoming appallingly evident.
We are on the verge of a global transformation. All we need is the right major crisis.
Only once in my life was I on the edge of incivility. I do not like to be unkind.
Mother's interest in contemporary American artists emerged during the 1920s.
Mother's taste was eclectic and ranged from the ancient world to the contemporary from Europe to the U.S.