“I believe in intuitions and inspirations... I sometimes feel that I am right. I do not know that I am.”

“I still struggle with the same problems as ten years ago. I succeed in small matters but the real goal remains unattainable, even though it sometimes seems palpably close. It is hard, yet rewarding: hard because the goal is beyond my abilities, but rewarding because it makes one oblivious to the distractions of everyday life.”

“Try not to become a man of success. Rather become a man of value.”

"Love brings much happiness, much more so than pining for someone brings pain."

“Valuable achievement can sprout from human society only when it is sufficiently loosened to make possible the free development of an individual's abilities.”

“The important thing is not to stop questioning. Curiosity has its own reason for existing. One cannot help but be in awe when one contemplates the mysteries of eternity, of life, of the marvellous structure of reality. It is enough if one tries to comprehend only a little of this mystery every day.”

“All of science is nothing more than the refinement of everyday thinking.”

“Imagination is more important than knowledge. Knowledge is limited. Imagination circles the world.”