Focus on what you can control.  The operative word is can.

Consistency in your habits and disciplines is important, and sometimes you need to pick up the pace.  Deadlines tighten, plans change, and you find you must sprint, not stroll, to get things done. You need the force multipliers of focus and speed. Hone your skills through practice, so you can hit your targets on the mark and on time; perhaps even ahead of time.

Your composure is a powerful defense.  Your calm exerts pressure on others, particularly those who desire that you fail. Don’t react, or overextend, don’t rush to fill the silence.   In negotiation, conversation, conflict and competition. Remember, the first mover carries all the cost.  Let them.  Then when you do move — you move once. Precisely.…

If you have the money or the ability to solve the problem, you don’t have the problem. What we often frame as a problem is just an unexecuted solution.

A drop of ink in a glass of water clouds everything. Likewise, your attitude shapes how you feel, the effort you make, and the results you get from your day.  You do not control every circumstance the day brings to you, but you do control the attitude you bring to your day. 

Serving thankless people is a slow death.  Give them enough slack and they will break you.   You will never satisfy them, because they lack the emotional framework and skills to experience and express gratitude. Limit their access to your life.