History will never accept difficulties as an excuse.

We are not here to curse the darkness, but to light the candle that can guide us through that darkness to a safe and sane future.

As science, of necessity, becomes more involved with itself, so also, of necessity, it becomes more international. I am impressed to know that of the 670 members of this Academy

A revolution is coming – a revolution which will be peaceful if we are wise enough; compassionate if we care enough; successful if we are fortunate enough – but a revolution which is coming whether we will it or not. We can affect its character; we cannot alter its inevitability.

Science contributes to our culture in many ways, as a creative intellectual activity in its own right, as the light which has served to illuminate man's place in the universe, and as the source of understanding of man's own nature.

The only unchangable certainty in life is that nothing is unchangable or certain.

It is for these reasons that I believe we must expand day-care centers and provide other assistance which I have recommended to the Congress. At present, the total facilities of all the licensed day-care centers in the Nation can take care of only 185,000 children. Nearly 500,000 children under 12 must take care of themselves while their mothers work. This, it seems to me, is a formula for disaster.