One does not know a foreign language unless on is able to think in that language; one does not know mathematics unless one is able to think mathematically.


The Teaching of Mathematics to Students of Engineering, Science, New Series, Volume 28, Number 710, August 7, 1908 (p. 163)

John Alexander Low Waddell Quotes

One does not know a foreign language unless on is able to think in that language; one does not know mathematics unless one is able to think...

One does not know a foreign language unless on is able to think in that language; one does not know mathematics unless one is able to think...

One does not know a foreign language unless on is able to think in that language; one does not know mathematics unless one is able to think...

One does not know a foreign language unless on is able to think in that language; one does not know mathematics unless one is able to think...