Doubt indulged soon becomes doubt realized. One never knows what each day is going to bring. The important thing is to be open and ready for it. Change is inevitable - except from a vending machine. The head never rules the heart, but just becomes its partner in crime.
Real difficulties can be overcome, it is only the imaginary ones that are unconquerable.
I don't know the key to success, but the key to failure is trying to please everybody. If you don't control your mind, someone else will. That's what I have to keep asking myself, in the face of difficulties. People who drink to drown their sorrow should be told that sorrow knows how to swim. A mistake is evidence that someone tried to do something.