The Stupid Are Invincible.

Look Deep Into Nature, And Then You Will Understand Everything Better.

One Who Scorns The Power Of Intuition Will Never Rise Above The Ranks Of Journeyman Calculator.

For An Idea Which, At First, Does Not Seem Absurd, There Is No Hope.

Truth Is What Stands The Test Of Experience.

Only A Life Lived For Others Is A Life Worthwhile.