In an era of instability, how do we build a better future? We live in a time of unprecedented technological change and uncertainty, from AI to transhumanism. Humankind is faced with the question of what the future will be like and more burningly should be like. We confront increasing dangers from geopolitical instability, war and the climate crisis that threaten to render these developments either irrelevant or deadly. The answer cant just be to call a halt. A. C. Grayling asks the question no one else is asking. What do we wish to keep from yesterday that will help us decide today what we want and don't want tomorrow. How we might navigate the complexities to build a fairer, more equal, sustainable future.