Doing Kashaya[anger, pride, deceit and greed] means to stumble. If artadhyan (adverse meditation) and raudradhyan (wrathful meditation) occurs, it is called stumbling.

Dedication requires a specific sacrifice and for many Christians this becomes a stumbling block

In the constant pursuit of perfection, junk food will always be a rather painful stumbling block

You are a beloved child of God. But please remember this, too: You are human. You cannot expect to eat perfectly, look perfect, or be perfect. When you stumble, pick yourself up, even if you have to do it again and again.

We're all stumbling in the dark, and that makes for some pretty interesting collisions.