Man is certainly stark mad; he cannot make a worm, and yet h... - Michel de Montaigne, The Complete Essays

"Learned we may be with another man's learning: we can only be wise with wisdom of our own."

"Every other knowledge is harmful to him who does not have knowledge of goodness."

"Learned we may be with another man's learning: we can only be wise with wisdom of our own."

"Nothing is so firmly believed as that which we least know."

"It is a disaster that wisdom forbids you to be satisfied with yourself and always sends you away dissatisfied and fearful, whereas stubbornness and foolhardiness fill their hosts with joy and assurance."