The ability to overcome adversity with a (genuine) smile.
Being able to acknowledge your weaknesses and work to improve on them.
Preparation, creativity, hard work, and good facts.
A willingness to admit lack of knowledge and then doing something about it.
The ability and the commitment to be successful.
Strength is the recognition and acceptance that none of us know everything, but wishing that we did and striving to do so.
The ability to overcome obstacles.
The most impressive show of strength is often the exercise of moderation and restraint.
Having the stamina to go for the long run, while nonetheless being ready to sprint if new circumstances or developments require you to do so.
Being able to stand up for what you know is right, even if others disagree.