http://www.stevewilson.com/esteem.html
Some tips on building self-esteem

http://www.psych.upenn.edu/seligman/pospsy.htm
Martin Seligman's pages on positive psychology. Some abstracts of articles on optimism and learned helplessness.

http://www.quintcareers.com/mission_statement_samples.html
Some ideas on writing a personal mission statement as well as some samples.

http://www.ldpride.net/learningstyles.MI.htm#Interactive%20Learning%20Styles%20Test
Brief, but excellent description of learning styles with interactive tests that help define someone's learning style.

http://www.cyg.net/~jblackmo/diglib/styl-d.html#Learning%20style%20preferences
Description of learning styles and preferences focusing on Kolb and also on Gardner's Multiple Intelligences.

http://snow.utoronto.ca/Learn2/mod3/
Some excellent brain teaser problems to solve in the link to "Assessing Your Learning Style".