A fourth-grade reader may be a sixth-grade mathematician. The grade is an administrative device which does violence to the nature of the developmental process.

A disappointment is not generally an oversight. It might just be the best one can do the situation being what it is. The genuine error is to quit attempting.

...not everyone is willing to defend a position of 'not knowing.' There is no virtue in ignorance for its own sake.

In the world at large we seldom vote for a principle or a given state of affairs. We vote for a man who pretends to believe in that principle or promises to achieve that state. We don't want a man, we want a condition of peace and plenty-- or, it may be, war and want-- but we must vote for a man.

Old age is rather like another country. You will enjoy it more if you have prepared yourself before you go.

The problem of far greater importance remains to be solved. Rather than build a world in which we shall all live well, we must stop building one in which it will be impossible to live at all.

We have not yet seen what man can make of man.