from C.G. Jacobi's Lecture
[ From C.G. Jacobi's lecture on being admitted to
the Faculty of the University of Königsberg, July 7, 1832 ]
.....
Crescunt disciplinae lente tardeque,
per varios errores sero perventiur ad veritatem,
omnia praeparata esse debent diurno et assiduo labore
ad introitum veritatis novae; jam illa,
certo temporis momento, divina quadam necessitate coacta emergit .....
(quoted from Math. Ann. 56(1903)252)
(Science grows slowly and gently; reaching the truth by a variety of errors.
One must prepare the introduction of a new idea
through long and diligent labour; then, at a given moment,
it emerges as if compelled by a divine necessity .....)