For me, they don't quite have the same idea that you should spend more time doing something slowly and correctly, rather than rushing through it.
#1 lacks the contrast between doing it slowly and correctly versus rushing it as #2 has. 'Spend time' doesn't automatically reflect the slowness aspect as does 'take time'. #1 I have to think about what's being said to realize you mean slow down.
Perhaps if you said something like "It may be wiser (of you) to spend more time doing something than to make mistakes by doing it in a hurry."
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