You are not happy because you are well. You are well because you are happy. You are not depressed because trouble has come to you, but trouble has come to you because you are depressed. You can change your thoughts and feelings, and then the outer things will come to correspond, and indeed there is no other way of working.
Emmet FoxIf you want to dismiss a negative thought, the only way to do so is to think of something positive and constructive.
Emmet FoxIf you seem to yourself to be lacking in certain necessary qualities, if your character seems to lack strength, ask God to give you what you need - and He will. You can build any quality into your mentality by meditating upon that quality every day.
Emmet Fox