The great mathematicians have acted on the principle "Devinez avant de d6montrer," and it is certainly true that almost all important discoveries are made in this fashion.


The Present Problems of Geometry, Bulletin of the American Mathematical Society, Volume XI, Number 6, March, 1905 (p. 285)


The great mathematicians have acted on the principle Devinez avant de d6montrer, and it is certainly true that almost all important discoveries are...

The great mathematicians have acted on the principle Devinez avant de d6montrer, and it is certainly true that almost all important discoveries are...

The great mathematicians have acted on the principle Devinez avant de d6montrer, and it is certainly true that almost all important discoveries are...

The great mathematicians have acted on the principle Devinez avant de d6montrer, and it is certainly true that almost all important discoveries are...