猿も木から落ちる [さるもきからおちる] 'even monkeys fall from | Learn Japanese
猿も木から落ちる [さるもきからおちる] "even monkeys fall from trees", really if you take it literally it's more like "monkeys too fall from trees"
猿[さる] = monkey も means "too", or "as well" or something else depending on context 木 = tree, or wood から is like "from", could be "because" if you're saying the reason for something 落ちる[おちる] = fall, to fall
that's a phrase that means something along the lines of "everyone makes mistakes"