stock good knowledge

福尔摩斯:
“I consider that a man's brain originally is like a little empty attic, and you have to stock it with such furniture as you choose. A fool takes in all the lumber of every sort that he comes across, so that the knowledge which might be useful to him gets crowded out.

attic 
英[ˈætɪk]   美[ˈætɪk]
n. 阁楼；顶楼；鼓室上的隐窝；飞檐矮墙，飞檐矮楼 
adj. 文雅的，古雅的；古希腊阿蒂卡 [雅典]的；雅典派的 

lumber 
英[ˈlʌmbə(r)] 美[ˈlʌmbɚ] 
n. 木材；隆隆声；废物 
vt.& vi. 砍伐；笨重地行进；胡乱堆积 

come across 遇到 

so that the knowledge which might be useful to him gets crowded out. 以至于可能对他有用的知识被排挤出去。