There is no other way to guard yourself against flattery than by making men understand that telling you the truth will not offend you.
Niccolo MachiavelliThe reply is, that one ought to be both feared and loved, but as it is difficult for the two to go together, it is much safer to be feared than loved, if one of the two has to be wanting. For it may be said of men in general that they are ungrateful, voluble, dissemblers, anxious to avoid danger, and covetous of gain; as long as you benefit them, they are entirely yours; they offer you their blood, their goods, their life, and their children, as I have before said, when the necessity is remote; but when it approaches, they revolt.
Niccolo MachiavelliThere are three kinds of minds: first those that attain insight and understanding of things by their own means, then those that recognize what is right when others explain it to them, and finally those that are capable of neither one nor the other.
Niccolo Machiavelli