What is termed Sin is an essential element of progress. Without it the world would stagnate, or grow old, or become colourless.
Science will stagnate if it is made to serve practical goals.
I would recommend to those persons who are inclined to stagnate, whose blood is beginning to thicken sluggishly in their veins, to try keeping four dogs, two of which are puppies.
Don't stagnate because of fear.
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