Gravitation is not responsible for people falling in love. - Albert Einstein

"The tragedy of life is what dies inside a man while he lives."

"Life is like riding a bicycle. To keep your balance, you must keep moving."

"True art is characterized by an irresistible urge in the creative artist."

"If a cluttered desk is a sign of a cluttered mind, of what, then, is an empty desk a sign?"

"In scientific thinking are always present elements of poetry. Science and music requires a thought homogeneous."