T. Lyman on Forces. 187 
up; a man, by conscious exercise of will, 
harged the battery (efficient causation) ; the electric spark was 
ed by 1 
tot prove the existence of power, in the phenomena of the outer 
hee and, if we suspected it, we might still set it down as an 
bed intelligence, Consciousness is fundamental, and cannot 
re enied ; consciousness of thought, that is intelligence, cannot 
oi ened; consciousness of power has been denied, and with 
hat truth? I am fully conscious, that I turn my mind toa 
eg thought, and I sharply distinguish this act of causation 
any seguente; here then is the immaterial will exercising 
pa Whence comes the word, and whence the general idea of 
_ ‘Sand I compare this power with that used in mental action, 
Foes fin lise the i There is this difference between the 
oo in the first instance I move what is strictly myself, the 
4 a "ig immaterial; in the second mstance I move what is only 
tate: ? CVer Which I have limited control; the compound, the 
Merely 7-224 Observe this; there is a difference between 
wa he wishing and the act of exerting power consciously. I may 
, t my legs would, all at once, walk off with my body; 
