If you're sincere, praise is effective. If you're insincere, it's manipulative.
You become great by going small thing in a great way.
Success is dependent on the glands - the sweat glands.
You can literally force yourself to be courteous, happy and enthusiastic with every person you meet. After you have forced yourself to be so for a short period of time... the habit takes over.
Obviously, there is little you can learn from doing nothing.
Spirit is the most valuable asset, more than money and any other power.