Muhammad Ali was more than just a great boxer. He was also a big hero who fought for people's rights, a poet, and someone who inspired lots of people around the world. He showed us how to be strong when things get tough, to believe in ourselves, and taught us many wise things. His words are so powerful that they still help us feel brave and ready to take on challenges. Here are 25 of his best quotes to help you feel motivated and to help you face any problems life throws at you.