The whole prosperity doctrine and presumptuous faith movements largely build their doctrines on taking scripture out of context and making the Bible say things that it never said. . Our resources here are limited to possibly using a commentary as a helpful guide in reinforcing, or contradicting our interpretation. One of the obstacles we face in understanding the text is finding out exactly what the author meant when he wrote the words. We must not impose our definition on the words, but find out what they meant when they were written. This is a particularly difficult, or at least tedious task, since this problem is compounded by understanding the english word in our translation, understanding the Greek, Hebrew, or Aramaic word in the original, and understanding what that word meant when it was written.
Words change in meaning even in our own generation.
Words are not static. They are constantly changing in their use and meaning. There are many ways we can attack this problem. On the first level, a good english dictionary should not be overlooked. You might be surprised at how often this will serve as a valuable tool.