[GingisK]

It is called “Promote the general welfare”, which is just what the accumulation of knowledge accomplishes.

[DoodleBob]

...except that the Preamble confers no power to the govt, and the Article 1, Section 8, clause 1 mention of "general Welfare" is not a grant of general legislative power, but a qualification on the taxing power.

And thankfully so...otherwise the statists would have used those openings to grow Leviathan to even more nightmarish proportions than they have with the Commerce Clause.