My popularity, my happiness and sense of worth depend to no small extent upon my skill in dealing with people.
Dale CarnegieEverybody in the world is seeking happiness - and there is one sure way to find it. That is by controlling your thoughts. Happiness doesn't depend on outward conditions. It depends on inner conditions.
Dale CarnegieCheck up each week on the progress you are making. Ask yourself what mistakes you have made, what improvement, what lessons you have learned for the future.
Dale CarnegieYou and I are standing this very second at the meeting place of two eternities: the vast past that has endured forever, and the future that is plunging on to the last syllable of recorded time. We can't possible live in either of those eternities - no, not even for a split second. But, by trying to do so, we can wreck both our bodies and our minds. So let's be content to live the only time we can possible live: from now until bedtime.
Dale Carnegie