1 Peter 2:8

a stone of stumbling, and a rock of offense. Those who stumble at the word, are disobedient unbelievers, to which, therefore, they were appointed:

1 John 2:10-11

He who loves his brother, abides in the light, and there is no stumbling block to him.

Treasury of Scripture Knowledge

Summary

When thou goest, thy steps shall not be straitened; and when thou runnest, thou shalt not stumble.

Bible References

Thou shalt

1 Peter 2:8
a stone of stumbling, and a rock of offense. Those who stumble at the word, are disobedient unbelievers, to which, therefore, they were appointed:
1 John 2:10
He who loves his brother, abides in the light, and there is no stumbling block to him.