No.523不飞则已，一飞冲天；不鸣则已，一鸣惊人。——司马迁

Once sing, sing high; Once fly, fly up to the sky. —— Si Maqian

NO.524铁不用会生锈，水不流会浑浊，同样地，头脑不用会变迟钝。——列奥纳多·达·芬奇

Iron rusts from disuse; water loses its purity from stagnation... Even so does inaction sap the vigor of the mind.——Leonardo da Vinci

No.525海到无边天作岸，山登绝顶我为峰。——林则徐

Taking the sky as shore when seas reach the far-away,Being the top when mountains reach the highest. ——Lin Zexu

NO.526不要以短期收成评判，而是以长期播种来看待收获。——罗伯特·路易斯·史蒂文森

Don't judge each day by the harvest you reap but by the seeds that you plant. ——Robert Louis Stevenson