We cannot solve our problems with the same thinking we used when we created them.
Albert Einstein
A person who never made a mistake never tried anything new.
If you can't explain it simply, you don't understand it well enough.
Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
Strive not to be a success, but rather to be of value.
Life is like riding a bicycle. To keep your balance, you must keep moving.
Look deep into nature, and then you will understand everything better.
Anyone who has never made a mistake has never tried anything new.
It's not that I'm so smart, it's just that I stay with problems longer.
Logic will get you from A to B. Imagination will take you everywhere.
I have no special talent. I am only passionately curious.
The true sign of intelligence is not knowledge but imagination.
Only a life lived for others is a life worthwhile.
It is the supreme art of the teacher to awaken joy in creative expression and knowledge.
We can't solve problems by using the same kind of thinking we used when we created them.
Coincidence is God's way of remaining anonymous.
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.
Education is what remains after one has forgotten what one has learned in school.
No problem can be solved from the same level of consciousness that created it.
The most beautiful thing we can experience is the mysterious. It is the source of all true art and science.
Weakness of attitude becomes weakness of character.
If people are good only because they fear punishment, and hope for reward, then we are a sorry lot indeed.
You can't blame gravity for falling in love.
Peace cannot be kept by force; it can only be achieved by understanding.
The only source of knowledge is experience.
The monotony and solitude of a quiet life stimulates the creative mind.
The gift of fantasy has meant more to me than my talent for absorbing positive knowledge.
Whoever is careless with the truth in small matters cannot be trusted with important matters.
Try not to become a man of success, but rather try to become a man of value.
Great spirits have always encountered violent opposition from mediocre minds.
The only thing that interferes with my learning is my education.
Imagination is everything. It is the preview of life's coming attractions.
Reality is merely an illusion, albeit a very persistent one.
If we knew what it was we were doing, it would not be called research, would it?
When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.
Once we accept our limits, we go beyond them.
Technological progress is like an axe in the hands of a pathological criminal.
No amount of experimentation can ever prove me right; a single experiment can prove me wrong.
Everything should be made as simple as possible, but not simpler.
Any man who can drive safely while kissing a pretty girl is simply not giving the kiss the attention it deserves.
Few are those who see with their own eyes and feel with their own hearts.
The distinction between the past, present and future is only a stubbornly persistent illusion.
Nationalism is an infantile disease. It is the measles of mankind.
The important thing is not to stop questioning. Curiosity has its own reason for existing.
The only reason for time is so that everything doesn't happen at once.
Gravitation is not responsible for people falling in love.
I live in that solitude which is painful in youth, but delicious in the years of maturity.
Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.
I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.