The following is a classic quotation for 18-year-old daughter: Dear daughter, 18-year-old happy birthday! This is a new beginning. You have grown up. Pursue your dreams, be confident and persist. Believe in your ability no matter what difficulties you have. 18 This era is full of opportunities and challenges. We should cherish our youth, enrich our lives, learn to think independently and be grateful. Pursuing dreams and bravely facing failures and difficulties. Have your own beliefs and values and cherish the people and things around you. Finally, happy birthday to you!