I should almost therefore put forward the proposal that the third hypothsis (angle sum of a triangle less than two right angles) holds on the surface of an imaginary sphere. — Johann Heinrich Lambert Copy Share Image
This hypothesis (Parallel hypothesis) would not destroy itself at all easily. — Johann Heinrich Lambert Copy Share Image
I understood that the will could not be improved before the mind had been enlightened. — Johann Heinrich Lambert Copy Share Image
I am undecided whether or not the Milky Way is but one of countless others all of which form an entire system. Perhaps the… — Johann Heinrich Lambert Copy Share Image
I should almost therefore put forward the proposal that the third hypothsis (angle sum of a triangle less than two right angles) holds on… — Johann Heinrich Lambert Copy Share Image
The first object of my endeavours was the means to become perfect and happy. — Johann Heinrich Lambert Copy Share Image
I bought some books in order to learn the first principles of philosophy. — Johann Heinrich Lambert Copy Share Image
Proofs of the Euclidean [parallel] postulate can be developed to such an extent that apparently a mere trifle remains. But a careful analysis shows… — Johann Heinrich Lambert Copy Share Image
![“Proofs of the Euclidean [parallel] postulate can be developed to such an extent that apparently a mere trifle remains. But a careful analysis shows that in this seeming trifle lies the crux of the matter; usually it contains either the proposition that is being proved or a postulate equivalent to…” quote by Johann Heinrich Lambert](https://sms4smile.com/quotes/img-quotes/877/johann-heinrich-lambert-52135_analysis_proofs-of-the-euclidean-parallel-postula_2760071.jpg)