Quote by Alexandre Dumas
"The greatest invention is not a thing but an idea that changes everything."
More from Alexandre Dumas
"All human wisdom is contained in these two words: wait and hope."
"Life is a storm, my young friend. You will bask in the sunshine one moment, be shattered on the rocks the next."
"The greatest happiness of life is the conviction that we are loved."
"There is neither happiness nor misery in the world; there is only the comparison of one state to another."