Don't lie and don't be afraid of the truth. -lev tolstoy

Confession is the product of honesty and courage. -(America) Mark Twain

If you slip, you can stand up at once; If you break your promise, you may never get it back. -(America) Franklin

It is more important for a person to keep his promise than to protect his property. -Moliere (France)

Be true to yourself and you won't cheat others. -(British) Shakespeare