'Genius' which means transcendent capacity of taking trouble, first of all.

The suffering man ought really to consume his own smoke; there is no good in emitting smoke till you have made it into fire.

Time has only a relative existence.

Rest is a fine medicine. Let your stomachs rest, ye dyspeptics; let your brain rest, you wearied and worried people of business; let your limbs rest, ye children of toil!

A noble book! all men's book!

Authors are the vanguard in the march of mind, the intellectual backwoodsmen, reclaiming from the idle wilderness new territories for the thought and activity of their happier brethren.

The steam-engine I call fire-demon and great; but it is nothing to the invention of fire.