Let truth be a banner big enough to hide the man who holds it up.
When a learner, in the fullness of his powers, comes to great truths unstaled by premature familiarity, he rejoices in the lateness of his lessons.
A superstition is a premature explanation that overstays its time.
Doubt is the beginning, not the end, of wisdom.
Error held as truth has much the effect of truth. In politics and religion this fact upsets many confident predictions.
Degree is much: the whole Atlantic might be lukewarm and never boil us a potato.