be proof

Examples (10)

• The photo was final proof of her husband's infidelity.
• I am living proof that the treatment works.
• His success is proof that hard work pays off.
• These results are clear proof of the team's improvement.
• The empty safe was proof enough that a robbery had occurred.
• The fossil is scientific proof of the species' existence.
• Your presence here is proof of your commitment to the project.
• The sudden silence was proof that they were listening to us.
• The scars on his hands are proof of the hardships he endured.
• This prestigious award is further proof of her immense talent.