The only source of knowledge is the experience.
We cannot solve our problems with the same thinking we used to create them.
Imagination is everything. It is the preview of life’s coming attractions.
Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.
To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks a real advance in science.
Anyone who has never made a mistake has never tried anything new.
The most beautiful experience we can have is the mysterious. It is the fundamental emotion that stands at the cradle of true art and true science.
There are two ways to live: you can live as if nothing is a miracle; you can live as if everything is a miracle.
The difference between genius and stupidity is that genius has its limits.
Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution.