I want to be distinguished from the rest; to tell the truth, a friend to all mankind is not a friend for me.
— Moliere

Intellect distinguishes between the possible and the impossible; reason distinguishes between the sensible and the senseless. Even the possible can be senseless.
Max Born distinguishes quote

The word liberal distinguishes whatever nourishes the mind and spirit from the training which is merely practical or professional or from the trivialities which are no training at all.
— Alan K. Simpson

When a distinguished but elderly scientist states that something is possible, he is almost certainly right. When he states that something is impossible, he is very probably wrong.
— Arthur C. Clarke

I didn't go to the lectures. My valet, who was more distinguished than I, went instead.
— distinguishes quotation by Witold Gombrowicz