"We forget that every good that is worth possessing must be paid for in strokes of daily effort. We postpone and postpone until those smiling possibilities are dead... By neglecting the necessary concrete labor, by sparing ourselves the little daily tax, we are positively digging the graves of our higher possibilities."

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What is less often noticed is that it is precisely the kind of moral instruction that parents are constantly trying to give their children — concrete, imaginative, teaching general principles from particular instances, and seeking all the time to bring the children to appreciate and share the parent's own attitudes and view of life… The all-embracing principles of conduct

— J. I. Packer