"One of the most powerful devices of poetry is the use of distortions. You can go from talking about the way a minute passes to the way a century passes, or a lifetime"

"It is only when they go wrong that machines remind you how powerful they are"

"Powerful indeed is the empire of habit"

"The most valuable possession you can own is an open heart. The most powerful weapon you can be is an instrument of peace"

"It is the timber of poetry that wears most surely, and there is no timber that has not strong roots among the clay and worms"

"Education is the most powerful weapon which you can use to change the world"

"Situational variables can exert powerful influences over human behavior, more so that we recognize or acknowledge"

"Poetry is an echo, asking a shadow to dance"

"Pure mathematics is, in its way, the poetry of logical ideas"

"Welcome those big, sticky, complicated problems. In them are your most powerful opportunities"

"Developments in information technology and globalised media mean that the most powerful military in the history of the world can lose a war, not on the battlefield of dust and blood, but on the battlefield of world opinion"