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The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.
The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.
If the highest aim of a captain were to preserve his ship, he would keep it in port forever.
Sometimes you put walls up not to keep people out,but to see who cares enough to break them down.