“There are two motives for reading a book; one, that you enjoy it; the other, that you can boast about it.”

“Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric.”

“The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.”

“Having made the decision, do not revise it unless some new fact comes to your knowledge. Nothing is so exhausting as indecision, and nothing is so futile.”

“Yo no nací dichoso. De niño, mi himno favorito era: «Cansado del mundo y con el peso de mis pecados». A los cinco años yo pensaba que si había de vivir setenta no había pasado aún más que la...”