Nikolai Ivanovich Lobachevsky

"The theory of independent experiments is the analytically simplest and most advanced part of probability th…"

"Give him threepence, since he must make gain out of what he learns."

"We must not forget, in all the enthusiasm for computer simulations, occasionally we must look at Nature as …"

"As is well known, when one endeavors to pass from one-dimensional birational geometry to the higher dimensi…"

"In the great desert of northern Arizona the traveller, threading his way across a sage-brush and cacti plai…"

"I define as a unit any magnitude that can serve for the numerical derivation of a series of magnitudes, and…"