Neil deGrasse Tyson
Passion is what gets you through the hardest times that might otherwise make strong men weak, or make you give up.
More quotes and aphorisms
If there is no struggle, there is no progress...There is nothing nobler or more admirable...If a man does his best...Growing up in America, I experienced two puberties...The Milky Way is nothing else but a mass...Great ambition, the desire of real superiority...
