He is very imprudent, a dog; ...

He is very imprudent, a dog; he never makes it his business to inquire whether you are in the right or the wrong, never asks whether you are rich or poor, silly or wise, sinner or saint. You are his pal. That is enough for him.
He is very imprudent, a dog; he never makes it his business to inquire whether you are in the right or the wrong, never asks whether you are rich or poor, silly or wise, sinner or saint. You are his pal. That is enough for him.
 Jerome K. Jerome

More phrases

If one does not know to which port one is sailing, no wind is favorable.
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
We are masters of the unsaid words, but slaves of those we let slip out.
I have always found that mercy bears richer fruits than strict justice.
A lie gets halfway around the world before the truth has a chance to get its pants on.

Quotes from the same author

There are various methods by which you may achieve ignominy and shame. By murdering a large and respected family in cold blood and afterward depositing their bodies in the water companies' reservoir, you will gain much unpopularity in the neighborhood of your crime, and even robbing a church will get you cordially disliked, especially by the vicar. But if you desire to drain to the dregs the fullest cup of scorn and hatred that a fellow human creature can pour out for you, let a young mother hear you call dear baby "it.
 Jerome K. Jerome
Some people are under the impression that all that is required to make a good fisherman is the ability to tell lies easily and without blushing; but this is a mistake.
 Jerome K. Jerome
Some people are under the impression that all that is required to make a good fisherman is the ability to tell lies easily and without blushing; but this is a mistake. Mere bald fabrication is useless; the veriest tyro can manage that. It is in the circumstantial detail, the embellishing touches of probability, the general air of scrupulous - almost of pedantic - veracity, that the experienced angler is seen.
 Jerome K. Jerome
The shy man does have some slight revenge upon society for the torture it inflicts upon him. He is able, to a certain extent, to communicate his misery. He frightens other people as much as they frighten him. He acts like a damper upon the whole room, and the most jovial spirits become, in his presence, depressed and nervous.
 Jerome K. Jerome
They [dogs] never talk about themselves but listen to you while you talk about yourself, and keep up an appearance of being interested in the conversation.
 Jerome K. Jerome