Security is not a static thing. Security would only lie in a man's confidence in reaching his goals and, indeed, in his having goals to reach.

Having viewed slum clearance projects in most major cities of the world may I state that you have conceived and created in the Johannesburg townships what is probably the most impressive and adequate resettlement activity in existence.

For nearly a quarter of a century, I have been engaged in the investigation of the fundamentals of life, the material universe and human behavior. Such an adventure leads one down many highways, through many byroads, into many back alleys of uncertainty, through many strata of life...

On the day when we can fully trust each other, there will be peace on Earth.

Getting married is an adventure. Because when you're getting married, you're doing something you don't know anything about. Did you ever think of that?

Stress the right of the individual to select only what he desires to know, to use any knowledge as he wishes, that he himself owns what he has learned.

As long as children and young men and women find pleasure in study, they will continue studying throughout life - and upon that depends their happiness.