Almost all the opinions we have are taken on authority and on credit.
The continuous work of our life is to build death.
He who lives not to others, lives little to himself.
Is there anything so grave and serious as an ass?
Even opinion is of force enough to make itself to be espoused at the expense of life.
This idea is more surely understood by interrogation; WHAT DO I KNOW? which I bear as my motto with the emblem of a pair of scales.