You are capable of more than you know. Choose a goal that seems right for you and strive to be the best however hard the path. Aim high. Behave honorably. Prepare to be alone at times and to endure failure. Persist! The world needs all you can give.
Wrinkles should merely indicate where smiles have been.
Anyone who stops learning is old whether at twenty or eighty. Anyone who...
Age is an issue of mind over matter. If you don't mind it doesn't matter.