Browse Quotes

1,161 quotes

If my efforts have led to the saving of a single human life, then I have not lived in vain.

Robert Koch

Medicine

The hands of the obstetrician and his assistants, which are soiled with cadaveric material, are the carriers of the death-dealing cadaveric particles.

Ignaz Semmelweis

Medicine

The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes.

Avicenna (Ibn Sina)

Medicine

The best physician is also a philosopher.

Galen of Pergamon

Medicine

The greatest invention of all time is the human mind.

Edwin Howard Armstrong

Invention

Education is the key to unlock the golden door of freedom.

George Washington Carver

Invention

I was just doing what I loved to do, and I was fortunate enough to discover something that was very useful.

Stephanie Kwolek

Invention

Any girl can be glamorous. All you have to do is stand still and look stupid.

Hedy Lamarr

Invention

When something is important enough, you do it even if the odds are not in your favor.

Elon Musk

Engineering

Don't be afraid to take big steps. You have to be willing to take risks.

Robert Noyce

Invention

I never thought of it as an invention. I thought of it as a development project. I was trying to solve a problem.

Jack Kilby

Invention

I have been called a visionary, but I am not. I am a practical man, and I believe in the practical application of science.

John Logie Baird

Invention

Coming together is a beginning; keeping together is progress; working together is success.

Henry Ford

Engineering

It is not the man who has too little, but the man who craves more, who is poor.

Wright, Wilbur

Invention

If we worked on the assumption that what is currently true will remain true, we would never make any progress.

Wright, Orville

Invention

The Diesel engine is not merely an improvement, but a new departure in the field of prime movers.

Rudolf Diesel

Engineering

The love of inventing never dies.

Karl Benz

Engineering

What hath God wrought!

Samuel Morse

Invention

Every man is a master of his own destiny.

Gutenberg, Johannes

Invention

From the making of these things, the intelligent man will derive pleasure and profit, and he will be able to make similar devices for himself.

Ismail al-Jazari

Engineering