The only instrument through which time could be converted to yield greatness is the instrumentality of work.

The goal is not to be delivered of your problem only but to be an instrument of God

Insofar as he makes use of his healthy senses, man himself is the best and most exact scientific instrument possible. The greatest misfortune of modern physics is that its experiments have been set apart from man, as it were, physics refuses to recognize nature in anything not shown by artificial instruments, and even uses this as a measure of its accomplishments.

The audacity of my sagacity is instrumentality to my successity.