Know the difference between principles based on right or wrong vs. principles based on personal gain, and consider the basis of your own principles.
Marilyn vos Savant

If your head tells you one thing, and your heart tells you another, before you do anything, you should first decide whether you have a better head or a better heart.
Marilyn vos Savant

Know which officials are voted into office and which are appointed, and by whom.
Marilyn vos Savant

Know about the appeals process, especially in the case of the most serious crimes.
Marilyn vos Savant

Being defeated is often a temporary condition. Giving up is what makes it permanent.
Marilyn vos Savant

To acquire knowledge, one must study; but to acquire wisdom, one must observe.
Marilyn vos Savant

Evolution has long been the target of illogical arguments that use presumption.
Marilyn vos Savant