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Transhumanism has a very simple definition, so you may be a transhuman without realizing it: Transhumans translate their ideal visions of what the world can become into actions they can accomplish in the here and now. For example, transhumans envisioned new technology for driverless cars, decades ago. What was once considered fanciful is now recognized as inevitable as we now see some of these cars on our highways and local streets. It began with an idea a long time ago and then brought into reality.
It is the same with social issues such as civil rights, economic justice, and free immigration. The radicalization that gives birth to an activist takes place suddenly, when their vision of how things should be reaches critical mass in both the heart and mind. A transhuman point of view is what propels progress because the vision of a better future never fades, even though human society is intentionally organized and maintained to inhibit such growth and allows social bullies who manipulate unearned privilege to enslave the masses through religious hierarchies, governments, and corporations.
Becoming Transhuman carries with it the personal assumption of responsibility for the consequences of your actions. It implies that you love and serve every person as you are (or wish to be) loved and served by others. It implies that you are committed to vigorous development and ethical exploitation of human technical and artifactual ingenuity on all levels of literal reality—physical, mental, and motivational.
Transhumans serve humanity in this way because their reasons for being and acting are completely removed from typical human concerns. The characteristic difference between a human and a Transhuman viewpoint is that, in contrast to the human, whose behavior is based on mythic memes imparted by family and society, the Transhuman sets aside all such myth in favor of direct engagement with reality guided by personal dedication to the realization of love.
Humans who increasingly dedicate themselves to the honest demonstration of loyalty to the idea and values of a better possible future for our world transition to a Transhuman state, and fundamentally connects each of us to become part of the emerging collective consciousness of a joyful universe.
Ultimately, people will be distinguished by who is for improvements to the whole versus those who still cling to their very pedestrian and entirely self-centered attitudes, notable only for their complete lack of compassion, and (fortunately) destined for extinction.
So, are you transitioning to be a transhuman? The future hopes you are.
For more: Can I transition to be transhuman