Maybe the science is uncertain, maybe we don't have to worry about it. Climate change is the worst, but there's others.

Anatomically modern humans are found up to 200,000 years ago; behaviourally modern humans appear very recently in evolutionary time, as far as evidence now exists, perhaps within a window of 50-100,000 years ago, a flick of an eye in evolutionary time.

I am not sure just what Marx had in mind when he wrote that "philosophers have hitherto only interpreted the world in various ways; the point is to change it." Did he mean that philosophy could change the world, or that philosophers should turn to the higher priority of changing the world? If the former, then he presumably meant philosophy in a broad sense of the term, including analysis of the social order and ideas about why it should be changed, and how. In that broad sense, philosophy can play a role, indeed an essential role, in changing the world.

The change between horse and buggy to automobile is a big change and there hasn't been a major change since.

If it's wrong when they do it, it's wrong when we do it.

Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied. Even the interpretation and use of words involves a process of free creation.

Our whole educational and cultural system is not designed to provide those intellectual tools, so people are often lost and the internet often becomes kind of a cult generator.