General principles are not the less true or important because from their nature they elude immediate observation; they are like the air, which is not the less necessary because we neither see nor feel it.
William HazlittEnvy is the deformed and distorted offspring of egotism; and when we reflect on the strange and disproportioned character of the parent, we cannot wonder at the perversity and waywardness of the child.
William Hazlitt