If you said something, prove it! That's exactly what our people thought! Otherwise why did he come up with the proverb... "What is said is not proven, it has to be done" This saying emphasizes that the word is only half the battle. We may be able to talk, but if we know how to prove our words with deeds and keep our promises - it still needs to be checked "We should not take people's word for it, as language itself teaches us; we should always check what we hear. Russian proverbs.