Conscience is the inner voice which warns us that someone might be looking. Hear and you forget, see and you remember, do and you understand.
A workman who wants to do his work well must first prepare his tools.
Can there be a love which does not make demands on its object?
All people are the same; only their habits differ.
The expectations of life depend upon diligence; the mechanic that would perfect his work must first sharpen his tools.
If you devote your life to seeking revenge, first dig two graves.