It's time to take some rest off the monotonous paperwork and enjoy the vacations.
Happy vacation colleagues

I wish you continue working with the same dedication and keep meeting the deadlines with the same efficiency.
Congratulations on your promotion

I am happy to have a colleague like you and congratulate you on your target completion

We wish you a joyous day ahead at your workplace!

I appreciate you for being the first person to believe in my abilities. Also, I will always be grateful for your encouragement when I was thinking of quitting.