Retired US Navy Adm. William McRaven, the former head of US Special Operations Command and the commander who oversaw the military raid that killed al-Qaida leader Osama bin Laden, told college graduates that they, not super heroes, must be the ones to “save the world” in an online commencement speech on Friday afternoon.

Source: William McRaven’s MIT speech: ‘Batman and Superman are not coming’ – Business Insider