Because a doubt is not a denial. Doubt is a powerful tool, and it should be applied to history.
A Canticle for LeibowitzFor best results, apply regularly.
The Bounce Back Book: How to Thrive in the Face of Adversity, Setbacks, and LossesIt was as though applied mathematics was my spouse, and pure mathematics was my secret lover.
Love and Math: The Heart of Hidden RealityThe whole "I won't tell anyone" promise does not apply to best friends.
Pink & Green Is the New Black