Galileo Galilei

Physics Italian 1564 – 1642 376 quotes

Father of observational astronomy and modern physics

Quotes by Galileo Galilei

I have love for science more than for its followers.

Attributed

The Divine Artist makes things not in a rough outline but in perfect detail.

Attributed

To understand the Universe, you must understand mathematics.

Attributed

Science without religion is lame, religion without science is blind.

Misattributed, but often linked

It vexes me when they would constrain science by the authority of the Holy Writ.

Letter to the Grand Duchess Christina 1615

Some books are to be tasted, others to be swallowed, and some few to be chewed and digested.

Misattributed to Francis Bacon

The world is a fine place and worth the fighting for and I hate very much to leave it.

Misattributed

Experimental science is the queen of all the sciences.

Attributed

Who can find the true cause of the motion of the stars?

Dialogue Concerning the Two Chief World Systems 1632

The moon is not inhabited.

Sidereus Nuncius 1610

Jupiter has four satellites.

Sidereus Nuncius 1610

The telescope has revealed the heavens to us.

Sidereus Nuncius 1610

In order to understand the phenomena of the universe, we must start from the simplest.

Two New Sciences 1638

The resistance of bodies to motion is proportional to their weight.

Two New Sciences 1638

All bodies fall with the same speed.

Two New Sciences 1638

The pendulum is a useful instrument for measuring time.

Two New Sciences 1638

Strength in architecture comes from the distribution of weight.

Two New Sciences 1638

The infinite divisibility of matter.

Two New Sciences 1638

Copernicus did not invent the heliocentric system.

Dialogue Concerning the Two Chief World Systems 1632

The tides prove the motion of the Earth.

Dialogue Concerning the Two Chief World Systems 1632