This kind of puzzle is relatively straightforward - solve the cryptic clues, fill in the grid, and find the concealed quote! Bonus points for anyone who can tell me who said it without Googling it.
The irony is that an American uncle has wrecked cars (7)
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06 27 42 52 61 20 30Limit citation to 80% with a resolution (5)
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55 56 02 11 48Baby has misshapen appendage and skin discoloration (6)
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09 17 19 05 10 14This evening, the baby eats, almost (7)
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22 34 49 15 26 04 23The idea is that it's not a big, headless cat (6)
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07 16 32 24 41 54Bar in Game of Thrones, initially (5)
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29 25 01 08 33Dime is tight, he thayth with a lithp (5)
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35 37 13 43 36Make morning drink less heady by preceding it with tea and candy (6)
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50 53 40 39 38 57Lone dead bodies are in the woods (6)
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62 45 58 60 59 12Cow's cries mark the beginning of the end for woodland creature (5)
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47 18 51 44 21Inserted information incorrectly in section of form (5)
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46 31 63 28 03