"It is your unfulfilled desires, your failed expectations, your thwarted intentions and your inability to express yourself that keep you in a state of aggravation and oppression."
"You have to limit how much bad news you let into your home through the media that keeps you in a state of frustration and aggravation." 
Particular to the journey of the individual along the Way
"Your dissatisfaction with your life is part of what drives you forward, for you must reach the great vantage point where you can see clearly what you must do. And you must find those people who will enable you to reach this vantage point and who will be able to participate with you beyond it. You are being driven by a deeper, inner necessity. Accept this. It is fundamental. it is necessary. It is vital. It will keep you from compromising your life. It will keep you from being deceitful with yourself by claiming that you have reached a satisfactory place, or that you have found your purpose, meaning and direction, when in fact you have not found them yet. It will keep you from giving your life in a relationship prematurely or in dedicating all of your resources and energy to a career or a form of work which does not represent your destiny." 
Aggravation as agitation
"To the mind that is cultivated, the room without stimulation is a wonderful place. To the mind that is in conflict, the room without stimulation is a terrible place. To the mind that has been refined, the silence of the wilderness is a wonderful experience to be cherished. To the mind in conflict, it is an aggravation. You have two things to accomplish, which are quite essential to your being here. You cannot neglect them, regardless of your beliefs or point of view. You must develop yourself, your inherent abilities, and you must contribute something vital to the world. Your own Being knows this even if your thoughts do not account for it. Your own Being will be aggravated until it can accomplish these two things, which together comprise your purpose." 
Larger-scale and more widespread aggravation
"Their long aggravation or political oppression, their long disenfranchisement of their rights will now be driven to extreme revolution for which people are willing to die and to sacrifice themselves—ordinary people, average people, people in many, many places." 
- Joy and Gratitude (January 31, 2009)
- The One God, Chapter 5: What is Creation?
- Wisdom from the Greater Community Volume II, Chapter 11: Spiritual Practice
- Steps to Knowledge, Step 172: I must reclaim my Knowledge.
- Wisdom from the Greater Community Volume II, Chapter 34: Walking the Way of Knowledge
- Wisdom from the Greater Community Volume I, Chapter 3: Greater Community
- Living The Way of Knowledge, Chapter 5: The Pillar of Work
- Wisdom from the Greater Community Volume I, Chapter 6: Health
- Rebellion, Revolution and War (February 22, 2011) Audio download