inner resources

noun

1. something that lies ready for use or that can be drawn upon for aid or to take care of a need
2. available money or property; wealth; assets
3. something that a country, state, etc. has and can use to its advantage: natural resources, including coal and oil
4. a means of accomplishing something; measure or action that can be resorted to, as in an emergency; expedient
5. a source of strength or ability within oneself
   in full inner resources
6. ability to deal promptly and effectively with problems, difficulties, etc.; resourcefulness

Origin: Fr ressource < OFr < resourdre, to arise anew < re-, again + sourdre, to spring up < L surgere: see surge