柠檬不该羡慕西瓜甜榴莲不该羡慕西瓜甜
[níng méng bù gāi xiàn mù xī guā tián liú lián bù gāi xiàn mù xī guā tián]
It says, “Lemon shouldn’t envy the sweetness of watermelon, durian should not either”. Encourages contentment and appreciating unique self instead of coveting another’s perceived advantages.