Russell Crowe has penned an emotional letter to his two sons about the honour of fatherhood - but he won't give it to them for another 25 years. The Gladiator actor will bury the letter he wrote to Charlie, three, and one-year-old Tennyson in a time capsule, which they will only be allowed to open in 2032. He writes, "Our lives have been blessed by you. Whatever comes along I will always love you with my whole being and soul." Crowe also urges his sons to take care of their mother Danielle Spencer, adding, "I know I would have brought you up to love your mother above all. "My hope is that you find the things, people and love that bring you love and joy. Every day my life is better because I am a father."