"He that lies down with dogs shall rise up with fleas."

"He that best understands the world, best understands his own business."

"Our opinions are not in our own power; they are formed and governed much by circumstances that are often as inexplicable as they are irresistible."

"A false friend and a shadow attend only while the sun shines."

"He that resolves to mend hereafter, resolves not to mend now."