You begin by always expecting good things to happen.
Price is what you pay; value is what you get.
Being realistic is the most common path to mediocrity.
Nothing is permanent in this wicked world, not even our troubles.
A known devil is better than an unknown angel.
The future depends on what you do today.
In a gentle way, you can shake the world.
Live as if you were to die tomorrow. Learn as if you were to live forever.
A 'Yes man' is a dangerous man. He is a menace. He will go very far. He can become a minister, a secretary or a field marshall but he can never become a leader nor, ever be respected. He will be used by his superiors, disliked by his colleagues and despised by his subordinates. So discard the 'Yes man'.
I suppose in the end, the whole of life becomes an act of letting go, but what always hurts the most is not taking a moment to say goodbye.