So nothing is ever good or bad unless you think it so, and vice versa. All luck is good luck to the man who bears it with equanimity. – Boethius (Anicius Manlius Severinus)
An inventor is a man who looks upon the world and is not contented with things as they are. He wants to improve whatever he sees, he wants to benefit the world. – Alexander Graham Bell
To make our way, we must have firm resolve, persistence, tenacity. We must gear ourselves to work hard all the way. We can never let up. – Ralph Bunche