When we direct our thoughts properly, we can control our emotions.
When you know principles that can motivate you, you will then know principles that can motivate others. Conversely, when you know principles that can motivate others, you will then know principles that can motivate you.
What contemptible scoundrel has stolen the cork to my lunch?
Thinking will not overcome fear but action will.
Have the courage to face the truth
Success is achieved and maintained by those who keep trying with positive mental attitude. What you try for is up to you.