The answer is: Lips

Mark 7:6

In Mark 7:6, Jesus sharply critiques the religious leaders of His time, echoing the prophecy of Isaiah. When He says, "This people honours me with their lips, but their heart is far from me," it's like telling someone, "You're saying all the good stuff, but I don’t feel the love behind those words."

This passage isn't just a rebuke for their actions; it invites us to reflect on authenticity in our spiritual expression. The distinction between outward ritual and inner sincerity reverberates through various cultures across time. Consider the ancient Greeks who sought true philosophy through logos or "reason" —much like today’s quest for genuine spiritual meaning.

Interestingly, this theme resonates throughout biblical history. Think about King David, for example. He was truly flawed but had an unwavering heart for God. His Psalms are filled with deep emotional honesty, showing a heart that transcended mere words.

Also, a fun fact—many biblical scholars point out that phrases like this are common in Jewish literature. They knew that true faith wasn't merely about saying the right words, but about living them out actively. In other words, honoring God goes beyond the surface show and invites error correction in the heart. It’s a call to examine ourselves regularly, ensuring our walk matches our talk!