"Anyone who has never made a mistake has never tried anything new"
"Great spirits have always encountered violent opposition from mediocre minds"
"Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world"
"Insanity: doing the same thing over and over again and expecting different results"
"Only two things are infinite, the universe and human stupidity, and I'm not sure about the former"
"Study and, in general, the pursuit of truth and beauty is the sphere in which we are permitted to remain children all our lives"
"The most beautiful thing we can experience is the mysterious. It is the source of all true art and science"
"The significant problems we face today cannot be solved at the same level of thinking we were at when we created them"
"The world is a dangerous place to live, not because of the people who are evil, but because of the people who don't do anything about it"
"Imagination is more important than knowledge. For knowledge is limited to all we now know and understand, while imagination embraces the entire world."