(source) 
G. H. Hardy
(7 Feb 1877  1 Dec 1947)

G. H. Hardy Quotes on Ramanujan_Srinivasa (4 quotes)
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>> Click for G. H. Hardy Quotes on  Mathematician  Mathematics  Theorem  Work 
He adhered, with a severity most unusual in Indians resident in England, to the religious observances of his caste; but his religion was a matter of observance and not of intellectual conviction, and I remember well his telling me (much to my surprise) that all religions seemed to him more or less equally true.
— G. H. Hardy
I remember once going to see him when he was lying ill at Putney. I had ridden in taxi cab number 1729 and remarked that the number seemed to me rather a dull one, and that I hoped it was not an unfavorable omen. No, he replied, it is a very interesting number; it is the smallest number expressible as the sum of two cubes in two different ways.
— G. H. Hardy
No mathematician should ever allow him to forget that mathematics, more than any other art or science, is a young man's game.
Galois died at twentyone, Abel at twentyseven, Ramanujan at thirtythree, Riemann at forty. There have been men who have done great work later;
[but] I do not know of a single instance of a major mathematical advance initiated by a man past fifty.
A mathematician may still be competent enough at sixty, but it is useless to expect him to have original ideas.
— G. H. Hardy
There is always more in one of Ramanujans formulae than meets the eye, as anyone who sets to work to verify those which look the easiest will soon discover. In some the interest lies very deep, in others comparatively near the surface; but there is not one which is not curious and entertaining.
— G. H. Hardy
See also:
 7 Feb  short biography, births, deaths and events on date of Hardy's birth.
 Godfrey Harold Hardy  context of quote Languages die and mathematical ideas do not  Medium image (500 x 350 px)
 Godfrey Harold Hardy  context of quote Languages die and mathematical ideas do not  Large image (800 x 600 px)
 Godfrey Harold Hardy  context of quote Young men should prove theorems, old men should write books.  Medium image (500 x 350 px)
 Godfrey Harold Hardy  context of quote Young men should prove theorems, old men should write books.  Large image (800 x 600 px)
 A Mathematician's Apology, by G. H. Hardy.  book suggestion.