2 Bible Verses about Goal Setting

For which of you, intending to build a tower, does not first sit down, and count the cost, whether he has the means to finish it? Lest, when he has laid the foundation, and is not able to finish, all that see it begin to deride 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, does not first sit down, and deliberate whether he is able, with ten thousand, to meet him that is coming; against him with twenty thousand?

Instead of that, you ought to say, If the Lord will, we shall live, and do this, or that. But now you glory in your boastings: all such glorying is evil.