I was thrilled to hear about your recent [achievement/event]. Please accept my heartfelt congratulations on [this accomplishment/this important occasion].
Your dedication and hard work have paid off, and it is clear that you have put in a tremendous amount of effort to achieve [this milestone/this significant achievement]. Your perseverance and commitment to excellence are truly inspirational.
I am proud to [know/be associated with] someone who demonstrates such [determination/motivation/ambition]. Your achievement is a testament to your character and your ability to succeed in the face of challenges.
As you [continue your journey/pursue further goals], know that you have my support and admiration every step of the way. I am confident that you will continue to attain great heights.
Once again, congratulations on a job well done. Here’s to many more successes in the future!