Categories Alexander Graham Bell Concentrate all your thoughts upon the work at hand. Post author By quotegeek Post date May 16, 2012 No Comments on Concentrate all your thoughts upon the work at hand. Concentrate all your thoughts upon the work at hand. The sun’s rays do not burn until brought to a focus. Tags concentration, focus, work → I’m a Sagittarius, which probably tells you way more than you need to know. Leave a Reply Cancel replyYou must be logged in to post a comment.