2 Bible Verses about Goal Setting

For what man of you wishing to build a tower, does not first sit down and estimate the expense, whether he has the means to finish? lest having laid its foundation, and not being able to finish, all who see ridicule him, saying, This man began to build and was not able to finish.read more.
Or what king going to engage in war with another king, does not first sit down and consult whether he is able with ten thousand to meet him that comes against him with twenty thousand?

for you ought to say, If the Lord wills, we shall both live and do this or that. But now you glory in your boasting; all such glorying is evil.