Here are 11 youth-inspiring English sentences:

1、"Youth is not a time of life; it is a state of mind." - Nelson Henderson

2、"Dream big and dare to dream. The biggest adventure you can take is the one that makes you uncomfortable."

3、"The future belongs to those who believe in their dreams and are willing to work hard to achieve them."

4、"Success is not a destination, but a journey that requires courage, dedication, and perseverance."

5、"In the end, it's not the years in your life that count. It's the life in your years." - Abraham Lincoln

6、"Never, never, never give up." - Winston Churchill

7、"You can't control what you're dealt, but you can control how you play the hand." - Unknown

8、"You must believe in yourself. That's the secret of success." - Charles Chaplin

9、"Success is not a matter of chance, but a matter of courage and effort." - Oscar Wilde

10、"You have to believe in yourself. Not just in your capabilities, but in your potential." - Mary Kay Ash

11、"Life is like a game of cards. You can't always win, but you can always play to win." - Unknown

Each of these sentences encourages youth to believe in themselves, their dreams, and their potential to achieve success. They also emphasize the importance of perseverance and hard work in achieving goals.