The Week magazine’s Wit & Wisdom column, compiling best quotes quoted elsewhere in newspapers in recent days, is a good resource, if you can get at it.
The June 20 edition included …
Irreverence is a greater oaf than superstition.
(WH Auden quoted in Telegraph)
The first thing to know in life is to see what one does understand and what one does not.
(Duke of Wellington quoted in Telegraph)
Conquering the world on horseback is easy. It is when you get off the horse and try to govern that it gets hard.
Genghis Khan, quoted in The Times