Proverbs 16:3 (NAS) - Commit your works to the Lord and your plans will be established.
Proverbs 3:6 - In all your ways acknowledge him, and he will make your paths straight.
Proverbs 16:1 (NAS) - The plans of the heart belong to man, but the answer of the tongue is from the LORD.
Proverbs 16:9 (NAS) - The mind of man plans his way, but the LORD directs his steps.
Luke 14:28-32 - "Suppose one of you wants to build a tower. Will he not first sit down and estimate the cost to see if he has enough money to complete it? For if he lays the foundation and is not able to finish it, everyone who sees it will ridicule him, saying, 'This fellow began to build and was not able to finish.' "Or suppose a king is about to go to war against another king. Will he not first sit down and consider whether he is able with ten thousand men to oppose the one coming against him with twenty thousand? If he is not able, he will send a delegation while the other is still a long way off and will ask for terms of peace.
Proverbs 6:6-8 - Go to the ant, you sluggard; consider its ways and be wise! It has no commander, no overseer or ruler, yet it stores its provisions in summer and gathers its food at harvest.