A good parent gives their child roots and wings.

What is ... important is that we - number one: Learn to live with each other. Number two: try to bring out the best in each other.

I look upon ourselves as partners in all of this, and that each of us contributes and does what he can do best. And so I see not a top rung and a bottom rung - I see all this horizontally - and I see this as part of a matrix. And I see every human being as having a purpose, a destiny, if you like - the destiny that exists in each of us - and find ways and means to provide such opportunities for everyone.

Eventually we'll realize that if we destroy the ecosystem, we destroy ourselves.

Reply when questioned on the safety of the polio vaccine he developed: It is safe, and you can't get safer than safe.

Life is an error-making and an error-correctin g process, and nature in marking man's papers will grade him for wisdom as measured both by survival and by the quality of life of those who survive.

A good parent gives their child roots and wings.