“I think of you, and I smile and know everything is going to be alright.”

Vin Dieselis paying tribute to his lateFast and Furiouscostar and friendPaul Walkeron what would’ve been his 50th birthday.

“The world isn’t the same brother… as a species, one might say we are struggling.

Paul Walker and Vin Diesel attend the world premiere of ‘Fast And Furious 6’ at The Empire Leicester Square on May 7, 2013 in London, England.

Paul Walker and Vin Diesel.Dave J Hogan/Getty Images

But I think of you, and I smile and know everything is going to be alright.”

“I was going through images to celebrate this sacred day.

The image, however, held a different meaning for Diesel.

First responders… that was your true self, and you were sharing it with me, your brother.

Diesel and Walker visited Haiti after the country’s devastating 2010 earthquake to get to help with recovery efforts.

“I miss you…

I love you, and I will continue to honor the beautiful soul you are,” he concluded.

“Happy Birthday.”

Walkerdied in a car accidentat age 40 in November 2013.

His daughter,Meadow Walker Thornton-Allan, made an appearance in the latestFast and Furiousinstallment earlier this year.