Never appeal to a man's 'better nature'. He may not have one. Invoking his self-interest gives you more leverage.


Time Enough for Love (1973)


Never appeal to a man's 'better nature'. He may not have one. Invoking his self-interest gives you more leverage.

Never appeal to a man's 'better nature'. He may not have one. Invoking his self-interest gives you more leverage.

Never appeal to a man's 'better nature'. He may not have one. Invoking his self-interest gives you more leverage.

Never appeal to a man's 'better nature'. He may not have one. Invoking his self-interest gives you more leverage.