Never complain and never explain.
The most effective way to do it, is to do it.
If you're going through hell, keep going.
You never know what motivates you.
By failing to prepare, you are preparing to fail.
Quality is not an act, it is a habit.
Problems are not stop signs, they are guidelines.
Be kind whenever possible. It is always possible.
Be gentle to all and stern with yourself.
The dog that trots about finds a bone.
A man desires praise that he may be reassured, that he may be quit of his doubting of himself he is indifferent to applause when he is confident of success.