Human knowledge and human power meet in one; for where the cause is not known the effect cannot be produced. Nature to be commanded must be obeyed; and that which in contemplation is as the cause is in operation as the rule.

They are ill discoverers that think there is no land, when they can see nothing but sea.

Nothing is more pleasant to the eye than green grass kept finely shorn.

God has placed no limits to the exercise of the intellect he has given us, on this side of the grave.

Great art is deeply ordered. Even if within the order there may be enormously instinctive and accidental things, nevertheless they come out of a desire for ordering and for returning fact onto the nervous system in a more violent way.

There is nothing makes a man suspect much, more than to know little, and therefore men should remedy suspicion by procuring to know more, and not keep their suspicions in smother.

The divisions of science are not like different lines that meet in one angle, but rather like the branches of trees that join in one trunk.