We should be as careful of the books we read, as of the company we keep. The dead very often have more power than the living.
Accuracy is the twin brother of honesty; inaccuracy is a near kin to falsehood.
Anxiety is the poison of human life; the parent of many sins and of more miseries.
Never be so brief as to become obscure.
My books are my tools, and the greater their variety and perfection the greater the help to my literary work.
If you would thoroughly know anything, teach it to others.