青春不是让你扯的爱情不是让你说的
[qīng chūn bù shì ràng nĭ chĕ de ài qíng bù shì ràng nĭ shuō de]
Youth isn’t meant for pointless boasting nor is love something you talk about idly, suggests to cherish the time wisely and appreciate genuine emotion behind them instead of frivolity.