The two conditions that lead others to languor – i.e. leisure and solitude – him made sharper. - Cicero

Let us assume that entertainment is the sole end of reading; even so I think you would hold that no mental employment is so broadening to the sympathies or so enlightening to the understanding. Other pursuits belong not to all times, all ages, all conditions; but this gives stimulus to our youth and diversion to our old age; this adds a charm to success, and offers a haven of consolation to failure. Through the night-watches, on all our journeyings, and in our hours of ease, it is our unfailing companion.

Wherefore, if this consideration moves any one, that it has been heard that some tool of Lentulus is running about the shops, — is hoping that the minds of some poor and ignorant men may be corrupted by bribery; that, indeed, has been attempted and begun, but no one has been found either so wretched in their fortune or so abandoned in their inclination as not to wish the place of their seat and work and daily gain, their chamber and their bed, and, in short, the tranquil course of their lives, to be still preserved to them. And far the greater part of those who are in the shops, — yes, indeed, (for that is the more correct way of speaking,) the whole of this class is of all the most attached to tranquillity; their whole stock, indeed, their whole employment and livelihood, exists by the peaceful intercourse of the citizens, and is wholly supported by peace. And if their gains are diminished whenever their shops are shut, what will they be when they are burnt?

room without books is like a body without a soul.