Abel has left mathematicians something to keep them busy for five hundred years.

We are servants rather than masters in mathematics.

I shall risk nothing on an attempt to prove the transcendence of p. If others undertake this enterprise, no one will be happier than I in their success. But believe me, it will not fail to cost them some effort.

In mathematics our role is more that of servant than master.

Abel has left mathematicians something to keep them busy for five hundred years.

I turn away with fright and horror from the lamentable evil of functions which do not have derivatives.

Analysis takes back with one hand what it gives with the other. I recoil in fear and loathing from that deplorable evil: continuous functions with no derivatives.