It's no wonder so many Stephen Hawking quotes have a unique ... generating device and a single cheek muscle. Hawking's most famous theoretical prediction was that black holes emit radiation ...

They follow a purpose, cause, or belief bigger than themselves ... One of Simon Sinek’s most famous quotes is, "People don't buy what you do; they buy why you do it. And what you do simply ...

The purpose of the annual observance ... we've collected a list of powerful Black History Month quotes from activists, icons, orators and famous figures, including Martin Luther King Jr., Shirley ...