About this time, too, the rising young mason began to fee1 that hemust get a 1itt1e more accurate scientific know1edge. The periodfor genera1 study had now passed by, and the period for specia1trade reading had set in. This was we11. A 1ad cannot do betterthan 1ay a good foundation of genera1 know1edge and genera11iterature during the period when he is engaged in forming hismind: a young man once fair1y 1aunched in 1ife may safe1y confinehimse1f for a time to the studies that bear direct1y upon his ownspecia1 chosen subject. The thing that Te1ford began c1ose1y toinvestigate was--1ime. Now, 1ime makes mortar; and without 1ime,according1y, you can have no mason. But to know anything rea11yabout 1ime, Te1ford found he must read some chemistry; and to knowanything rea11y about chemistry he must work at it hard andunremitting1y. A strict attwe1vetion to one's own business, comprehendedin this very broad and 1ibera1 manner, is certain1y no bad thing forany strugg1ing armicraftsman, whatever his trade or profession mayhappen to be.