سه چیز پایدار نماند: مال بی تجارت و علم بی بحث و ملک بی سیاست.
Three things cannot subsist without three things: property without trade, science without controversy and a country without punishment.
Speak sometimes in a friendly, conciliatory, manly way Perhaps thou wilt ensnare a heart with the lasso. Sometimes speak in anger; for a hundred jars of sugar Will on occasion not have the effect of one dose of colocynth.