Youth Change Workshops Student Counseling Poster Shows How to Control Thoughts (Poster #563) Poster #563 features a quote from Marcus Aurelius' that reads: you have power Over your mind, not outside events. Realize this and you will find strength. Poster created by mental health and education experts to be an effective for students with emotional and thought/thinking problems. The Perfect addition to your site to Help students who need a boost Help students better manage upsetting thoughts and they will be less troubled and stressed; this poster can Help Medium size 11 x 17 inch poster on glossy, medium Weight poster stock. Created by counseling and education experts at Youth Change Workshops