# Johann Heinrich Lambert quotes

## Johann Heinrich Lambert

**Birthdate:** 26. August 1728**Date of death:** 25. September 1777

Johann Heinrich Lambert was a Swiss polymath who made important contributions to the subjects of mathematics, physics , philosophy, astronomy and map projections.

Edward Tufte calls him and William Playfair "The two great inventors of modern graphical designs" .

### Quotes Johann Heinrich Lambert

### „We would wish to discover the Plan of the Universe, and the means employed by the Eternal Architect in the execution of his magnificent design. We will first contemplate the System of which we make a part, and of which our Sun is the center. Thence we will ascend towards those Suns and those innumerable Worlds which are scattered through the immensity of space.“

Introduction, p. xxxix

The System of the World (1800)

### „If in two ellipses having a common major axis we take two such arcs that their chords are equal, and that also the sums of the radii vectores, drawn respectively from the foci to the extremities of these arcs, are equal to each other, then the sectors formed in each ellipse by the arc and the two radii vectores are to each other as the square roots of the parameters of the ellipses.“

Sect. 4, Lemma 26, Insigniores orbitae cometarum proprietates (1761) [Notable properties of comets' orbits] translated by Florian Cajori, A History of Mathematics https://books.google.com/books?id=kqQPAAAAYAAJ (1906) p. 259, from the German of Michel Chasles, Geschichte der Geometrie, haupsächlich mit Bezug auf die neuern Methoden https://books.google.com/books?id=NgYHAAAAcAAJ (1839) p. 183.

### „But, are the faculties of our nature equal to this? and what are the principles which ought to guide us in these researches?“

Introduction, p. xxxix

The System of the World (1800)