The greatest fool is he who thinks he is not one and all others are.
Don't express your ideas too clearly. Most people think little of what they understand, and venerate what they do not.
Many would be wise if they did not think themselves wise.
Never participate in the secrets of those above you; you think you share the fruit, and you share the stones - the confidence of a prince is not a grant, but a tax
Yes and no are soon said, but give much to think over.
For a thing to remain undone nothing more is needed than to think of it done.
A prudent man will think more important what fate has conceded to him, than what it has denied.