School children and students who love God should never say: “For my part I like mathematics”; “I like French”; “I like Greek.” They should learn to like all these subjects, because all of them develop that faculty of attention which, directed toward God, is the very substance of prayer.
If we have no aptitude or natural taste for geometry, this does not mean that our faculty for attention will not be developed by wrestling with a problem or studying a theorem. On the contrary, it is almost an advantage.
It does not even matter much whether we succeed in finding the solution or understanding the proof, although it is important to try really hard to do so. Never in any case whatever is a genuine effort of the attention wasted. It always has its effect on the spiritual plane and in consequence on the lower one of the intelligence, for all spiritual light lightens the mind.
If we concentrate our attention on trying to solve a problem of geometry, and if at the end of an hour we are no nearer to doing so than at the beginning, we have nevertheless been making progress each minute of that hour in another more mysterious dimension. Without our knowing or feeling it, this apparently barren effort has brought more light into the soul. The result will one day be discovered in prayer. Moreover, it may very likely be felt in some department of the intelligence in no way connected with mathematics. Perhaps he who made the unsuccessful effort will one day be able to grasp the beauty of a line of Racine more vividly on account of it. But it is certain that this effort will bear its fruit in prayer. There is no doubt whatever about that.
— Simone Weil in “Reflections on the Right Use of School Studies with a View to the Love of God”