inspirational quote - life is tough, but you must be tougher. motivational words concept with text message on blackboard.

background black blackboard board business card chalk chalkboard challenge class classic concept courage decoration difficult difficulty dried education great happiness hard head inspiration inspirational life light message motivation motivational must old phrase quote quotes saying school sign sronger stay staystrong strength strong stronger success sunflower survive symbol teacher text tough tougher typography white wisdom word words work your