A prince ought to have two fears, one from within, on account of his subjects, the other from without, on account of external powers.
Niccolo MachiavelliAnd above all you ought to guard against leading an army to fight which is afraid or which is not confident of victory. For the greatest sign of an impending loss is when one does not believe one can win.
Niccolo MachiavelliResults are often obtained by impetuosity and daring which could never have been obtained by ordinary methods.
Niccolo Machiavelli