Directions：Write an English composition in 120-150 words according to the instructions given below in Chinese.
假如你是李明，你的班級(jí)將舉行一節(jié)班會(huì)課，主題為"我喜歡的一句話"。請(qǐng)從下面兩句中選擇一句撰寫發(fā)言稿，內(nèi)容需包括：
1．你對(duì)這句話的理解；
2．你喜歡這句話的理由（結(jié)合生活實(shí)例）。
? There is a crack in everything.That's how the light gets in.
——Leonard Norman Cohen萊昂納德?科恩（加拿大歌手、詩(shī)人）
? Knowing is not enough；we must apply.Willing is not enough；we must do.
——Johann Wolfgan von Goethe歌德（德國(guó)作家、詩(shī)人）

【考點(diǎn)】提綱作文．

【答案】As Johann Wolfgan von Goethe says，"Knowing is not enough；we must apply.Willing is not enough；we must do.I like the sentence because it reminds us not only should we learn something but also we should apply it to our life.
Last term，I learned about how the friction works in my physics lesson.I thought I learned it well and I can do the exercises about friction well.However，when my father drove me to school，it happened to snow.The road became too slip for the car to run.I was puzzled as my father fix the tyres with chains.My father told me that it can increase the friction between the tyres and the road.Only then did I really learn the friction.From that on，no matter what I learn，I will apply it to my real life.
Life provides different knowledge for us.To master them，it is important to use them in an intelligent way.