Sun Tzu
It is essential to seek out enemy agents who have come to conduct espionage against you and to bribe them to serve you. Give them instructions and care for them. Thus doubled agents are recruited and used.
More quotes and aphorisms
Therefore do not seek to understand...No bird soars too high if he soars with his own wings...Do you want to know who you are? Don't ask. Act!...No one can make you feel inferior without your consent...Every decision on trade, on taxes, on immigration...I tended to place my wife...