You can stop anything but a person with a good attitude.
The reason people have problems is that they have too much time to think.
The best thing about the past is that it's over. The best thing about the future is that it's yet to come. The best thing about the present is that it's here now.
The truth is, people don't stay the same. People either get better or they get worse.
Disappointment requires adequate planning.
Physics changes, but reality stays the same