(P46) Color Mode : Photoshop automatically uses RGB mode;

 

(P71) Photoshop's grid is helpful when you need to align lots of different items, like the text shown here;

(P75) With layers, you can make all kinds of change to your image without altering the original;

(P135) Life is all about making choices;

(P185) Working smarter, not harder;

(P282) Photoshop won't let you add a layer mask to the background layer unless you unlock it;

(P486) Color Theory : The Missing Manual;