More quotes by Albert Einstein

"Student: Dr. Einstein, Aren't these the same questions as last year's [physics] final exam?Dr. Einstein: Yes; But this year the answers are different."
"Peace cannot be kept by force; it can only be achieved by understanding."
"Great spirits have always encountered opposition from mediocre minds. The mediocre mind is incapable of understanding the man who refuses to bow blindly to conventional prejudices and chooses instead to express his opinions courageously and honestly."
"Man is here for the sake of other men - above all for those upon whose smiles and well-being our own happiness depends."
"Oh juventud nunca dejes de pensar..."