In the podcast with David goggins, he mentioned that he has undergone knee surgeries and he was told by doctors that he could never walk again. Is this true or just a babble?

David Goggins did confirm that he underwent multiple knee surgeries and was told by doctors that he wouldn't be able to run again. Goggins shared that after each knee surgery, the prognosis was that he wouldn't run anymore. Despite this, he emphasized that running itself isn't the core of his drive—it's his mental resilience and willpower. He conveyed that his determination transcends physical limitations, illustrating that his mindset remains steadfast regardless of physical impediments 1.

For more details, you can listen to his conversation with Andrew Huberman on the Huberman Lab in the episode titled "David Goggins: How to Build Immense Inner Strength".