Quote #18571
The task of science is to stake out the limits of the knowable, and...
Quote #17707
On the whole, age comes more gently to those who have some doorway into...
Quote #12420
The graveyards are full of indispensable men.
Quote #17763
All progress has resulted from people who took unpopular positions.
Quote #663
In the woods is perpetual youth.
Quote #16175
There are children playing in the street who could solve some of my top...
Quote #3602
Speech is conveniently located midway between thought and action, where it often substitutes for...
Quote #14942
Technology made large populations possible large populations now make technology indispensable.
Quote #18657
We are what we pretend to be, so we must be careful what we...
Quote #12904
We are all citizens of history.