Nothing should be valued higher than the value of the day.
Misunderstandings and neglect occasion more mischief in the world than malice and wickedness.
The important thing is not to know more than all men, but to know more at each moment than any particular man.
To live as one likes is plebian the noble man aspires to order and law.
All theory, my friend, is grey, But green is life's glad golden tree.
Most man only care for science so far as they get a living by it, and that they worship even error when it affords them a subsistence.