. . . the science of calculation also is indispensable as far as the extraction of the square and cube roots: Algebra as far as the quadratic equation and the use of logarithms are often of value in ordinary cases: but all beyond these is but a luxury; a delicious luxury indeed; but not to be in indulged in by one who is to have a profession to follow for his subsistence.
Source: J. Robert Oppenheimer "The Encouragement of Science" in I. Gordon and S. Sorkin (eds.) The Armchair Science Reader, New York: Simon and Schuster, 1959.
Contributed by: Zaady