What does this quote mean- Man can do all things if they will?

This quote expresses the idea that humans have unlimited potential and capabilities that allow them to overcome any obstacles or achieve any goals they set their minds to. It emphasises the power of human willpower, determination, and persistence in accomplishing even the seemingly impossible. When someone says, "Man can do all things if they will," they convey the belief that humans possess within the strength and potential to realise their dreams and aspirations if they commit wholeheartedly to them and have the unwavering will to never give up. It is a powerful message of empowerment and a reminder that one can achieve much more than they thought possible through hard work, passion, and unwavering resilience.