《增广贤文·上集》
君子即使穷途末路，依然固守节操和本分，小人身处逆境，就容易想入非非，胡作非为。
君子固穷，小人穷斯滥矣。
Even if a gentleman is in desperate situation, he still firmly upholds his integrity and duty. When a villain is in adversity, he easily thinks wildly and acts recklessly.