Others mistake it for the right of excessive criticism, in season and out of season.
Diderot was content to take friendship as the right, the duty, or the privilege of rendering services, without thought of requiring either them, or gratitude for them, back in return.

This we must confess to be rare.

No man that ever lived showed more sterling interest in furthering the affairs of others around him.

He seemed to admit every claim on his time, his purse, and his talents.

A stranger called upon him one day, and begged Diderot to write for him a puffing advertisement of a new pomatum.