A mathematician is a device for turning coffee into theorems. (Paul Erdos)

You can avoid reality, but you cannot avoid the consequences of avoiding reality. (Ayn Rand)

People demand freedom of speech to make up for the freedom of thought which they avoid. (Soren Aabye Kierkegaard)

An inconvenience is only an adventure wrongly considered; an adventure is an inconvenience rightly considered. (Gilbert Keith Chesterton)

You can only find truth with logic if you have already found truth without it. (Gilbert Keith Chesterton)

You may not be interested in war, but war is interested in you. (Leon Trotsky)

You can avoid reality, but you cannot avoid the consequences of avoiding reality. (Ayn Rand)