Quote by George Stephenson
"The greatest discoveries are often made by those unafraid to question conventional wisdom."
"The greatest discoveries are often made by those unafraid to question conventional wisdom."
"A man who does things wrong will learn the consequences; a man who does nothing will learn nothing."
"The greatest obstacle to progress is the fear of change."
"I have not failed. I've just found 10,000 ways that won't work."
"Success is not final, failure is not fatal; it is the courage to continue that counts."