At least 1 person understands and is on a roll. Finish it Scott!?

Question

13. Sorting on the part of mendicants must be interdicted.

14. A plethora of individuals with expertise in culinary techniques vitiate the potable concoctions produced by steeping certain comestibles.

15. Eleemosynary deeds have their incipience intramurally.

16. Male cadavers are incapable of yielding any testimony.

17. Individuals who make their abode in vitreous edifices would be advised to refrain from catapulting petrous projectiles.

18. Neophyte's serendipity.

19. Exclusive dedication to necessitous chores without interludes of hedonistic diversion renders John a habatudinous fellow.

20. A revolving lithic conglomerate accumulates no congeries of a small, green bryophytic plant.

21. A person presenting the ultimate cachinnation possess thereby the optimal cachinnation.

22. Abstention from any aleatory undertakings precludes a potent potential escalation of lucrative nature.

23. Missiles of ligneous or petrous consistency have the potential of fracturing my osseous structures but appellations will eternally name innocuous.

Answer 1

a visually impaired porcine will encounter a subsurface tuber in a measured time frame

beggars can't be choosers
to many cooks
good deeds begin at home
dead men tell no
don't throw rocks
beginners luck
all work and no play
rolling stone
best prepared
waste not
sticks and stones

Answer 2

14. Too many cooks spoil the broth.

16. Dead men tell no tales.

17. People who live in glass houses shouldn't throw stones.

18. Beginner's luck.

19. All work and no play make Jack a dull boy.

20. A rolling stone gathers no moss.

22. A guess: no guts, no glory.

23. Sticks and stones may break my bones, but words will never harm me.

Answer 3

I don't know about the rest, but #16 is "Dead men can't talk."

Answer 4

#21 'he who has the last laugh, laughs best' (or longest)