May your Class Day be favored with sunny skies and your life be full of happiness and success.
Sincerest congratulations upon your graduation.
Congratulations upon your school (college) success, so happily terminated to-day.
I (We) regret that I (we) cannot be with you to-day to see you take your new honors. Sincerest congratulations.
Congratulation to a public man
Heartiest congratulations on your splendid success.
We have just heard of your success. Sincere congratulations and best wishes for the future.
Heartiest congratulations on your nomination (election).
Your nomination (election) testifies to the esteem in which you are held by your fellow citizens. Heartiest congratulations.
Congratulations on your victory, a hard fight, well won by the best man.