Urbain Le Verrier

Astronomy French 1811 – 1877 375 quotes

He predicted the existence and location of Neptune based on perturbations in Uranus's orbit.

Most quoted

"To gaze at the night sky is to confront our own mortality, to realize the brevity of our time against the backdrop of eternity, and yet, to find a strange comfort in that vastness."

— from Observational Diaries

"Death is the ultimate unknown, yet in the grand cosmic scheme, it is but a transition, a return to the elements from which we were forged, to be scattered among the stars."

— from Private Journals

"Direct your telescope to the ecliptic in the constellation of Aquarius, at a longitude of about 326 degrees, and you will find within a degree of that place a new planet."

— from Letter to Johann Galle, 1846

All quotes by Urbain Le Verrier (375)

What we cannot see, we can often deduce.

Writings

The motion of the heavens is a clock of perfect regularity.

Publication

Let us calculate, and we shall know.

Attributed motto

The discovery of a new celestial body is the highest reward for an astronomer.

Speech 1846

There are no contradictions in nature, only in our understanding.

Philosophical notes

Precision is the soul of astronomy.

Directive at the Paris Observatory

The true astronomer is a patient hunter, guided by calculation.

Essay

I have never believed in astronomical ghosts; every effect has a material cause.

Debate on celestial perturbations

The orbit of a planet is its biography, written by gravity.

Treatise

To predict is to demonstrate the power of human reason.

Reflection

The stars obey laws that we can comprehend; this is the greatest wonder.

Public address

Do not be satisfied with cataloguing phenomena; seek their causes.

Advice to young scientists

The history of astronomy is a history of corrections.

Historical analysis

An error of a few seconds of arc can hide a planet.

Research notes 1845

The telescope confirms what the mind has already seen.

On the discovery of Neptune 1846

In science, priority belongs to the one who proves, not merely suggests.

On scientific credit

The harmony of the solar system is a mathematical harmony.

Lecture

I sought a planet and I found it; what greater satisfaction can there be?

Personal letter 1846

The opposition of colleagues is but a test of one's convictions.

On professional disputes

A theory must be beautiful in its simplicity and power.

Criteria for scientific work