Proverbs 5:6
"Lest thou shouldest ponder the path of life, her ways are moveable, that thou canst not know them."
Cross References (ranked by relevance)
Ponder the path of thy feet, and let all thy ways be established.
For the ways of man are before the eyes of the LORD, and he pondereth all his goings.
Thou wilt shew me the path of life: in thy presence is fulness of joy; at thy right hand there are pleasures for evermore.
Such is the way of an adulterous woman; she eateth, and wipeth her mouth, and saith, I have done no wickedness.
I thought on my ways, and turned my feet unto thy testimonies.
As righteousness tendeth to life: so he that pursueth evil pursueth it to his own death.