Image source: https://www.britannica.com/biography/Bill-Gates
"I failed in some subjects in exam, but my friend passed in all. Now he is an engineer in Microsoft and I am the owner of Microsoft" -Bill Gates
A coincidence or just his destiny? that doesn't mean that we shouldn't target to succeed, but it teaches us a lesson, that an average student can build an empire if he translate his idea at the right time with the right means.