“The hours of folly are measur'd by the clock, but of wisdom no clock can measure.”
Source: 1790s, The Marriage of Heaven and Hell (1790–1793), Proverbs of Hell, Line 12
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William Blake 249
English Romantic poet and artist 1757–1827Related quotes

“I never follow the clock: hours were made for man, not man for hours.”
Les heures sont faictez pour l'homme, & non l'homme pour les heures.
Source: Gargantua and Pantagruel (1532–1564), Gargantua (1534), Chapter 39 (frère Iean des Entommeures).

“At 60 miles an hour the loudest noise in this Rolls-Royce comes from the electric clock.”
Source: Rolls-Royce print ad, 1958. This is sometimes referred to as the most famous headline in advertising history.

Clocks http://www.gutenberg.org/dirs/etext97/jjclk10.txt.