Johannes Kepler

Laws of planetary motion

Early Modern influential 54 sayings

Sayings by Johannes Kepler

The world is a book, and those who do not travel read only one page.

Unknown — Attributed, often misattributed to Augustine, but reflects Kepler's intellectual journey.
Strange & Unusual Unverifiable

I have discovered the harmony of the spheres.

1619 — Harmonice Mundi
Strange & Unusual Unverifiable

I have a mind that is always seeking new things.

Circa 1600s — Letter to a friend.
Strange & Unusual Unverifiable

The universe is an image of God.

1596 — Mysterium Cosmographicum
Strange & Unusual Unverifiable

I have been a solitary man, but I have found joy in my work.

Circa 1620s — Letter to a colleague.
Strange & Unusual Unverifiable

I have often been in danger, but God has always protected me.

Circa 1610s — Letter to his family.
Strange & Unusual Unverifiable

I have been a wanderer, but I have always found my way back to God.

Circa 1620s — Letter to a friend.
Strange & Unusual Unverifiable

I have often been poor, but I have always been rich in spirit.

Circa 1600s — Letter to a patron.
Strange & Unusual Unverifiable

I have been a teacher, and I have learned much from my students.

Circa 1610s — Letter to a colleague.
Strange & Unusual Unverifiable

I have been a husband, and I have loved my wife dearly.

Circa 1600s — Letter to his family.
Strange & Unusual Unverifiable

I have been a father, and I have rejoiced in my children.

Circa 1610s — Letter to his family.
Strange & Unusual Unverifiable

I have been a scientist, and I have sought to understand the mysteries of the universe.

1609 — Dedication of Astronomia Nova
Strange & Unusual Unverifiable

I have been a philosopher, and I have pondered the meaning of life.

Unknown — Attributed, philosophical musing.
Strange & Unusual Unverifiable

I have been a man of faith, and I have trusted in God's plan.

Circa 1620s — Letter to a friend.
Strange & Unusual Unverifiable

I have been a mortal, and I have faced my own mortality with courage.

Unknown — Attributed, reflection on his life.
Strange & Unusual Unverifiable

The Earth has a soul, and it is sick with melancholy.

1619 — From 'Harmonices Mundi'
Strange & Unusual Unverifiable

I was measuring the heavens, now I must measure the shadows of the Earth. Though my soul was from the heavens, the shadow of my body lies here.

1630 — Epitaph he composed for himself
Strange & Unusual Unverifiable

My stars were not Mercury rising in the seventh angle, but Copernicus and Tycho Brahe.

1609 — Defending his work against astrological criticism
Strange & Unusual Unverifiable

The celestial machine is not like a divine animal but like a clockwork.

1605 — Letter to Herwart von Hohenburg
Strange & Unusual Unverifiable

For a long time I was restless. Now, however, behold how through my effort God is being celebrated in astronomy.

October 3, 1595 — Letter to Michael Maestlin.
Controversial Unverifiable