1.Graduation is not only an end to a period, also a commencement of a new period and I hope that future years will bring you continued happiness.
2.Best wishes and congratulations on your graduation.
3.May you have health, happiness and outstanding success in all your ventures.
4.Best wishes and sincere congratulations on your graduation.May this special day be the commencement of the continued series of upward steps to further success.
5.It is your graduation day.Please accept my best wishes for your bright future.
6.Permit me to congratulate you on your graduation! I hope the future will bring you further success and a whole world of happiness.
7.Congratulations on your graduation from the notable university with honour.I'm hopeful and confident，too，that the graduation ceremonies will really be a commencement and that satisfying and rewarding experiences await you.
8.Here's to the happy graduate for the job you have already done.And here's a happy future that is a most successful one.I pray you will as soon as possible make your name known in the world.
9.I join with all your friends in offering my sincere congratulations on your graduation.The world needs young people today with vision and courage to help build a better place for humanity.Wish you well in all your undertakings and hope that you will find your career a source of great joy and happiness.
10.The possibility of enhancing one's knowledge is limitless.Graduation only marks a stage of one's education.Unceasing acquisition of knowledge will unceasingly escalate us to ever higher and higher attainments.