Here are some best sentences for your son's birthday:
Dear son, happy birthday to you! On this special day, I want to tell you that no matter where you go or what you do, you must believe in yourself and bravely pursue your dreams. Because you are the best, you have unlimited possibilities and future.
Son, you are the pride of our family. Your sunshine and positive attitude can always bring us endless happiness and happiness. Happy birthday to you. I wish you every dream and every hope in the future can come true.
Dear son, happy birthday to you! May your life be full of sunshine and happiness, and your future be full of wisdom and courage. At every moment of growing up, we should believe in ourselves and bravely pursue our dreams. Because you are a talented, caring and courageous person.
Dear son, you are the hope and pride of our family. Happy birthday to you. I wish you a sunny and positive attitude and continuous progress and growth in the future. No matter what difficulties and challenges you encounter, you should believe in yourself and go forward bravely.