"Nationalism is an infantile disease. It is the measles of mankind."

"For [a product] to surprise me, it must be satisfying expectations I didn't know I had. No focus group is going to discover those. Only a great designer can."

"You can't help someone get up a hill without getting closer to the top yourself."

"Before you were conceived I wanted you. Before you were born I loved you. Before you were here an hour I would die for you. This is the miracle of life."

"Dancing is like dreaming with your feet!"

"A person may cause evil to others not only by his actions but by his inaction, and in either case he is justly accountable to them for the injury."

"I'm as pure as the driven slush."

"Two men look out through the same bars: One sees the mud and one the stars."

"True knowledge exists in knowing that you know nothing."

"The secret to success is to know something nobody else knows."