Knowledge is boundless,--human capacity, limited.

The success of many books is due to the affinity between the mediocrity of the author's ideas and those of the public.

If you must love your neighbor as yourself, it is at least as fair to love yourself as your neighbor.

It is inconceivable how much wit it requires to avoid being ridiculous.

An economist is a surgeon with an excellent scalpel and a rough-edged lancet, who operates beautifully on the dead and tortures the living.

Love, a pleasant folly; ambition, a serious stupidity.

Your intelligence often bears the same relation to your heart as the library of a chateau does to its owner.