“An ignorant person will always overdo a thing or neglect it totally.”
Nahj al-Balagha
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Ali 124
cousin and son-in-law of the Islamic prophet Muhammad 601–661Related quotes

“If a thing's worth doing, it's worth overdoing. (Lazarus Long)”
Variant: Take big bites. Anything worth doing is worth overdoing.
Source: Time Enough for Love

Letter to Thomas Hussey (9 December 1796), quoted in R. B. McDowell (ed.), The Correspondence of Edmund Burke, Volume VIII: September 1794–April 1796 (Cambridge University Press, 1969), p. 165
1790s

cited in: Morris Kline (1969) Mathematics and the physical world. p. 1
Opus Majus, c. 1267

“Confession is probably the most neglected area of personal prayer.”
Too Busy Not to Pray (2008, InterVarsity Press)

“I always wanted to have the courage to do totally crazy, impossible, and also wrong things.”
Quote of Isa Genzken, 1994; as cited on the website of Stedelijk Museum, Amsterdam http://www.stedelijk.nl/en/exhibitions/isa-genzken#sthash.9tR3JC9l.dpuf: exhibition Isa Genzken: Mach dich Hübsch! 11-2015 - 03-2016.
1990 - 2000

Wieland; or, the Transformation (1798)