13-4c All means are scarce

”If the means are in unlimited abundance, then they need not serve as the object of attention of any human action.”

Time is scarce—hence time is a means.

Next:

• 13-4d Space and time are scarce for the individual, hence both are goods

Related:

• Knowledge is not a means
  • 3-1c2e4.1 ‘Scarcity’ - Knowledge is rare but never a scarce resource