Here are 13 inspirational and gentle sentences in English:

1、"Persist in your dreams and efforts, for the brighter tomorrow is waiting for you."

2、"Life is a series of struggles. Don't give up, keep fighting and never stop believing in yourself."

3、"Your efforts are unique, irreplaceable, and your path to success is entirely yours to chart."

4、"Keep a positive attitude, for it's a key to unlocking your potential."

5、"The only limits that exist are the ones you place on yourself. Believe in yourself and go beyond them."

6、"Life is a journey full of challenges, but also full of opportunities. Embrace it with courage and optimism."

7、"Your past does not define your future. Use your past experiences to learn and grow."

8、"Success is not a destination, but a journey of continuous learning and improvement."

9、"Be brave enough to face your fears and take risks. That's how you find your way to success."

10、"Every day is a new beginning. Embrace it with hope and positivity."

11、"No dream is too big, and no effort is too small. The key is to never give up."

12、"Set your goals high and reach for them with confidence. Success is only a matter of time and hard work."

13、"Smile and keep going no matter what, because there's a lot of happiness and beauty waiting for you along the way."

Each of these sentences is designed to encourage and inspire, reminding us that with hard work, perseverance, and a positive attitude, we can achieve our dreams and goals.