Useful Tool Quotes

The trust of the innocent is the liar's most useful tool.

An architect's most useful tools are an eraser at the drafting board, and a wrecking bar at the site.

Debt is such a powerful tool, it is such a useful tool, it's much better than colonialism ever was because you can keep control without having an army, without having a whole administration.

Wisely used history can give pleasure and provide us with a useful tool; but we should not become its slaves.

Silicon Valley builds its bridges on abundance. Abundant bits of information floating out there, writing great programs to process it, then giving people a lot of useful tools to use it.