Taelor and Sydni Scott remembered their father, Stuart Scott, on the one-year anniversary of his death by penning a letter to the beloved ESPN anchor.
On Jan. 4, 2015, Stuart died at 49 after a long battle with cancer, and his daughters soon began to see the impact their dad had on the world.
"Dear Dad, Growing up we thought all dads worked 'inside the television.' This last year, we realized the full impact you’ve had on the world, and how important you were to so many," the tribute reads. "A whirlwind year of appearances and accepting awards on your behalf, Lifetime Achievement Awards, Hall of Fame Inductions, your book launch and even a visit to the White House -- has given us great insight into the mark you left during your lifetime."
WATCH: Stuart Scott Talks Battle With Cancer at the 2014 ESPYs
The sisters are beyond thankful for their dad's footprint on the world. "We are truly grateful for the opportunity to meet many people whom you profoundly impacted, share our grief and our memories while giving back on your behalf and continuing the legacy you started in raising cancer awareness," the letter continues. "You lived your life with a fierce sense of authenticity, passion and competitiveness, giving it your all and reaching for the best in everything you did."
In November 2007, Stuart was diagnosed with cancer, and had undergone several surgeries, chemotherapy, radiation and clinical trials in his fight against the disease. "When you were diagnosed with cancer, you showed the world how to fight with that same fierce passion, instilling a sense of hope and inspiration to so many," Taelor, 20, and Sydni, 16, write. "And in the end you taught us all how to win -- live or die -- by how you live, why you live and the manner in which you live."
WATCH: Criss Angel Posts Heart-Wrenching Photos of Cancer-Stricken Son
The emotional letter concludes: "From you Dad, we've learned to reach for the fight we possess inside and apply it with passion to our lives. It was through your vulnerability, that you taught us the real value of strength in never giving up."
In July 2014, Stuart accepted the Jimmy V Perseverance Award at the ESPYs, and, during his speech, had a sweet message for his daughters. "Taelor and Sydni, I love you guys more than I will ever be able to express," he declared. "You two are my heartbeat. I am standing on this stage here tonight because of you."
The siblings signed the letter to their father, "your heartbeats."
WATCH: ET Remembers ESPN Anchor Stuart Scott