Ideas for illustrating abstract concept of Wisdom, Education and Knowlegde. I’d suggest to use a simple picture, an icon. Suggestions of symbols for knowledge visualizationt on a slide or other type of document. Got stuck with finding best picture for your slide? Share your visualization challenge in comments and we propose you several ideas how you can illustrate your concept on a slide. Use these ideas to enrich your slide texts or charts. See more concept presentation ideas at http://blog.infoDiagram.com , share your presentation problem - leave a comment.