Galileo Galilei

Physics Italian 1564 – 1642 376 quotes

Father of observational astronomy and modern physics

Quotes by Galileo Galilei

My last words: I do not fear death.

Deathbed 1642

The stars call to me.

Attributed last words 1642

Peace be with you.

Deathbed 1642

In the vastness of space, we are small but curious.

Attributed reflection

Laughter is the best medicine for the soul.

Letter

Those who refuse to see remain in darkness.

Attributed

The telescope changed everything.

Sidereus Nuncius 1610

Planets are worlds like ours.

Sidereus Nuncius 1610

The universe is infinite.

Early ideas

Time is relative to motion.

Precursor ideas

Force equals mass times acceleration.

Two New Sciences (implicit) 1638

Gravity pulls all equally.

Two New Sciences 1638

The lever is the king of machines.

Two New Sciences 1638

Cohesion of materials explains strength.

Two New Sciences 1638

Vacuum is possible.

Experiments with Torricelli

Air has weight.

Experiments

The heart beats with purpose.

Medical observations

Music is mathematics in harmony.

Early work on tones

The eye sees what the mind allows.

Attributed

Curiosity drives discovery.

Attributed