Watch your thoughts, they become your words.
It may be that ... when the advance of destructive weapons enables everyone to kill everybody else nobody will want to kill anyone at all. [Referring to the hydrogen bomb.]
We shall not flag nor fail. We shall go on to the end.
Continuous effort - not strength or intelligence - is the key to unlocking our potential.
Without courage all other virtues lose their meaning.
Most people hate the taste of beer - to begin with. It is, however, a prejudice that many people have been able to overcome.