2 Bible Verses about Goal Setting

For which of you, intending to build a tower, does not sit down first and count the cost, whether he has enough to complete it? Otherwise, when he has laid the foundation, and is not able to finish, all who see it begin to mock him, saying, 'This man began to build, and was not able to finish.'read more.
Or what king, going to make war against another king, will not sit down first and consider whether he is able with ten thousand to meet him who comes against him with twenty thousand?

Instead, you ought to say, "If the Lord wills, we will live and do this or that." As it is, you boast in your arrogance. All such boasting is evil.