He who is brave is free.
Rome
It is not the man who has too little who is poor, but the one who hankers after more.
Through hardship to the stars.
Men who have made these discoveries before us are not our masters, but our guides.
Happiness depends on being free, and freedom depends on being courageous.
Courage is resistance to fear, mastery of fear—not absence of fear.
Do just once what others say you can't do, and you will never pay attention to their limitations again.