✦⋆· said,"The [valid] opinion comes from balanced judgment, whilst the impetuous and rash opinion is a vile foundation indeed."

● "Use some opinions to attack other opinions and the valid one will emerge thereof."

● "The man with the best opinion is he who does not write off the need for a second opinion from someone else."

● "Only an ignorant person is proud of his own opinion."

● "One who imagines himself to be all-knowing will surely suffer on account of his ignorance."

✦⋆· said, "The one who adamantly holds his own opinion has based it on a shaky and erroneous argument."