All human plans [are] subject to ruthless revision by Nature, or Fate, or whatever one preferred to call the powers behind the Universe.

The best laid schemes o' Mice an' Men,
Gang aft agley.
An' lea'e us nought but grief an' pain,
For promis'd joy!

(To A Mouse)

I only debate my equals. All others, I teach.

I wanted to grab his stupid ears and smash his stupid head against the door until his stupid brains leaked out. Instead, I did nothing.

Rats are much more noticeable and destructive than mice.

It is not easy to see how the more extreme forms of nationalism can long survive when men have seen the Earth in its true perspective as a single small globe against the stars.