Human progress is neither automatic nor inevitable... Every step toward the goal of justice requires sacrifice, suffering, and struggle; the tireless exertions and passionate concern of dedicated individuals. - Martin Luther King Jr.
A genius is usually born on the way to relentless perfection with tireless persistence. - Debasish Mridha
Our attitude towards ourselves should be to be insatiable in learning and towards others to be tireless in teaching. - Mao Zedong
It does not require a majority to prevail, but rather an irate, tireless minority keen to set brush fires in people's minds.
… she gave me a look that deftly combined tenderness with revulsion. To this day the memory of that look still visits me like a Jehovah’s Witness: uninvited and tireless. - Steve Toltz