"Do not keep on with a mockery of friendship after the substance is gone - but part, while you can part friends. Bury the carcass of friendship: it is not worth embalming."
"To be capable of steady friendship or lasting love, are the two greatest proofs, not only of goodness of heart, but of strength of mind."
"The dupe of friendship, and the fool of love; have I not reason to hate and to despise myself? Indeed I do; and chiefly for not having hated and despised the world enough."
"Life is the art of being well deceived; and in order that the deception may succeed it must be habitual and uninterrupted."
"Even in the common affairs of life, in love, friendship, and marriage, how little security have we when we trust our happiness in the hands of others!"
"Cunning is the art of concealing our own defects, and discovering other people's weaknesses."