年华踏青风光无限少年心
[nián huá tà qīng fēng guāng wú xiàn shăo nián xīn]
'年华踏青风光无限少年心' means 'In youth, the spring scene is infinite under the heart of the young.' Youth time should be enjoyed and savored like appreciating boundless beautiful scenery, suggesting one's enthusiasm and aspirations during youthful times.