Denshi Jisho — Online Japanese dictionary

渡る わたる 1: to cross over; to go across;
2: to extend; to cover; to range; to span
Common word, Godan verb with ru ending, Intransitive verb 
渡る世間に鬼はない わたるせけんにおにはない there are no devils in this world; all humans are good at heart (even though they may appear frightening)
Expression, Obscure term 
渡る世間に鬼は無い わたるせけんにおにはない there are no devils in this world; all humans are good at heart (even though they may appear frightening)
Expression, Obscure term 

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