數(shù)學(xué)的樂趣在于努力理解的過程。
Your self-worth is determined by you. You don't have to depend on someone telling you who you are.
關(guān)于圖形：一張圖片價值一萬個單詞-但僅用于描述圖片。幾乎沒有任何10K單詞集可以用圖片充分描述。
唯一重要的是你做了什么，而不是你想什么、說什么或感覺什么。
Trust is the foundation of every successful business relationship.
"Write what should not be forgotten."