① Life is a profound book．Other's notes can't replace your own understanding．May you find and create something new in it．
生活是一本精深的书，别人的注释代替不了自己的理解。愿你有所发现，有所创造。
③ I'm hopeful and confident, too, that the graduation ceremonies will really be a commencement and that satisfying and rewarding experiences await you.
我真诚地期望并深信，欢庆毕业只是你美好人生的开端，心满意足的灿烂前程正等待着你。
⑤ The important thing in life is to have a great aim, and the determination to attain it.--Goethe人生最重要的是树立一个远大的目标，并决心实现它。--歌德
⑥Best wishes and sincere congratulations on your graduation．May
this special day be the commencement of the continued series of upward steps to further success．
祝贺你毕业，并致以最美好的祝福。愿这一天成为你不断取得更大成就的新的开始。
望采纳！