Authors:

Experience of life (not of books) is the only capital usable in such a book as you have attempted; one can make no judicious use of this capital while it is new.

Mark Twain (2016). “The Wit and Wisdom of Mark Twain”, p.54, Chartwell
Experience of life (not of books) is the only capital usable in such a book as you have attempted; one can make no judicious use of this capital while it is new.