Leonardo da Vinci Quote: He who in reasoning cites authority is...

He who in reasoning cites authority is making use of his memory rather than of his intellect.

authority reasoning rather intellect use

Select Quotes by Leonardo da Vinci

We see the most striking example of humility in the lamb which will submit to any animal; and when they are given for food to imprisoned lions they are as gentle to them as to their own mother, so that very often it has been seen that the lions forbear to kill them.

— Leonardo da Vinci

Source: The Notebooks of Leonardo da Vinci