"THE HEIGHT OF....!!!" joke

Height of evaporation:
When a cow starts giving' powdered' milk. Height of stinginess:
Using both sides of toilet paper. Height of nonsense:
Telling a person to stand in the corner when the
room is circular. Height of curiosity:
A man looking through the keyhole when the
room is made of glass. Height of pessimism:
Going into a tunnel, seeing light from the opposite
side, and thinking it to be an on-coming train. Height of generosity:
Loose motions. Height of heights:
A person shitting on Mt. Everest to make it an
inch higher. Height of laziness:
A man shitting on the seashore and waiting for
the tide to wash the shit.