Kant argued that time and space are products of the human mind.

This, he says, is why we cannot describe the difference between our right and our left hand.

Even though time and space are in the mind, they can still be objective features of the world.

In the Critique of Pure Reason, which is regarded as one of the most difficult books ever written, the philosopher Immanuel Kant (1724-1804) argues that space and time are not features of the world-in-itself but forms of intuition inherent in our faculty of sense.

In short, space and time are mind-dependent matrices for organising sense experience. Space is the pure form of “outer sense” by which we perceive objects as external and spatially arranged. Time is the pure form of “inner sense” by which we order our mental states. Because space is a form of intuition and not a property of the world itself, we are able to identify its structures à priori, independently of sense experience, as when geometrising.

Kant’s Amazing Insight

There is such a thing in nature as handedness, or chirality. For instance,........

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