Each of us can change and fill our life with bright colors—to overcome every hardship and problem, to reach happiness, harmony, health, and prosperity. As you read this book, you’ll draw wisdom from principles formulated by Dale Carnegie many years ago. They’ve already been used by millions of people who learned to program themselves for the widest variety of life situations. You’ll learn how to identify your strengths and weaknesses, strengthen what’s strong, and overcome what’s weak.