For if one had real faith one would always persevere, knowing that in every work undertaken with high aim, there is an element of nobility, however humble and unrecognised that work may seem to be.

God after all is the God of Work, it is written large upon the face of the Universe.

I will not expand upon the thought; it would lead me too far afield, but those who have understanding will know what I mean.
As regards what I interpret as fastidiousness, this is not very easy to express.

Perhaps a definition will help.

I am like a man with an over-developed sense of smell, who when walking through a foreign city, however clean and well kept, can always catch the evil savours that are inseparable from such cities.