2 Bible Verses about Goal Setting

For which one of you, wishing to build a tower, does not first sitting down count the cost; if he has unto sufficiency? Lest he having laid the foundation, and being unable to complete it, all who see it may begin to mock him, saying, that this man began to build, and was not able to complete it.read more.
Or what king, going forth to engage in war with another king, will not first sitting down counsel if he is able with ten thousand to meet him who is coming against him, with twenty thousand?

on the contrary you should say, If the Lord will, and we live, we will indeed do this, or that. But you are now boasting in your arrogances: all such boasting is wicked.