This quote is urging people to never give up and fight against their fate even if the outcome is inevitable. This is an encouragement to people to defy destiny and even if their efforts will not be successful, they should still put forth their best and continue to fight. The idea is that even if there is nothingness waiting for them in the end, they should still fight against it so that they are able to live up to their own expectations and take action even in the face of insurmountable odds.