A proverb meaning that evidence is more convincing than argument — practical proof or demonstration is better than debate.
議論するよりも、まずやってみよう。論より証拠だ。
Rather than argue, let's try it first. Proof is better than argument.
口で説明されるよりも、実物を見せてほしい。論より証拠だ。
I'd prefer to see the actual thing rather than be told about it. Proof is better than argument.
彼が有能だという証拠を出してくれ。論より証拠だ。
Show me proof that he's capable. Evidence speaks louder than argument.