The key to the utilization of atomic energy for world peace will be found in the will of all people to restrict its use for the betterment of mankind.

- Leslie Groves

[I]t is tragic that the forces for destruction that we unleashed are stronger than man's present ability to control them.

- Leslie Groves

We will be misguided in our intentions if we point at one single thing and say that it will prevent war, unless, of course, that thing happens to be …

- Leslie Groves

This weapon [the atomic bomb] has added an additional responsibility - or, better, an additional incentive - to find a sound basis for lasting peace.…

- Leslie Groves

People who talk of outlawing the atomic bomb are mistaken - what needs to be outlawed is war.

- Leslie Groves