Revenge leads to an empty fullness, like eating dirt.
We can never understand other people's motives, nor their furniture.
Minor vices lead to major ones, but minor virtues stay put.
Most of us can easily do two things at once; what's all but impossible is to do one thing at once.
If you have to do it every day, for God's sake learn to do it well.
You can't truthfully explain your smallest action without fully revealing your character.