The Sanskrit Shloka says
"Guru is brahma – Guru is the creator"
"Guru is Vishnu – Guru is the disciples god"
"Guru is maheshwara – Guru is the care taker"
The combination of all the three, is Guru Dutta.
On the day of your day, let the creativity, Disciples, and the caretaking be follows you all the time.
Wish you the the happiness, joy, and the growth be with you all the time.
Wish you a advanced happy birthday wishes