Courage is not having the strength to go on, it is going on when you don't have the strength. Industry and determination can do anything that genius and advantage can do and many things that they cannot.
The secret of success in society is a certain heartiness and sympathy. A man who is not happy in company, cannot find any word in his memory that will fit the occasion; all his information is a little impertinent. A man who is happy there, finds in every turn of the conversation occasions for the introduction of what he has to say. The favorites of society are able men, and of more spirit than wit, who have no uncomfortable egotism, but who exactly fill the hour and the company, contended and contenting.
There's no committee that says, 'This is the type of person who can change the world - and you can't.' Realizing that anyone can do it is the first step. The next step is figuring out how you're going to do it.