Self-discipline without talent can often achieve astounding results, whereas talent without self-discipline inevitably dooms itself to failure.

It's surprising how many persons go through life without ever recognizing that their feelings toward other people are largely determined by their feelings toward themselves, and if you're not comfortable within yourself, you can't be comfortable with others.

We can often endure an extra pound of pain far more easily than we can suffer the withdrawal of an ounce of accustomed pleasure.

When you run into someone who is disagreeable to others, you may be sure he is uncomfortable with himself; the amount of pain we inflict upon others is directly proportional to the amount we feel within us.

Once we assuage our conscience by calling something a "necessary evil", it begins to look more and more necessary and less and less evil.

The truest test of independent judgment is being able to dislike someone who admires us, and to admire someone who dislikes us.

The generality of mankind is lazy. What distinguishes men of genuine achievement from the rest of us is not so much their intellectual powers and aptitudes as their curiosity, their energy, their fullest use of their potentialities. Nobody really knows how smart or talented he is until he finds the incentives to use himself to the fullest. God has given us more than we know what to do with.