to be prudent vs to be prudence

Some examples from the web:

• We all need to be prudent now.
• You need to be prudent, find ways to earn their trust.
• The ECB considers this approach to be prudent.
• This is a matter in which I believe the Commission has to be prudent.
• The Commission therefore considers the income projections to be prudent.
• As you can see, there are a lot of tests to run but it's better to be prudent in these cases.
• However, we have to be prudent and exclude certain substances such as biological ingredients, which involve particular risks.
• These are times for saving and we therefore need to be prudent about how we spend our money.
• We need, however, to be prudent, since it would need the support of the Member States. Furthermore, its practical implementation would be somewhat complicated.
• I should like to call on all those involved to be prudent, to make significant progress in respect of impact assessments, and to achieve whatever is necessary for all Community programmes to be fulfilled.
• We need sound finances, we need to show that we understand the concerns of our electorate and we need to be prudent with taxpayers' money.
• 3.1.1 In order to speak on such a complex matter, one needs to be prudent and clear:
• As important as it may be for us to be prudent, prepared and aware of any dangers or risks that may present themselves, it is equally wrong of us to be scaremongering as regards any immediate threat and the dangers it presents.

Some examples from the web:

• This reform project needs, however, to be considered with prudence.
• The appeal from Member States, which reflects that from European citizens, is for every opportunity to be found for prudence and greater efficiency when spending public resources.
• Would it not be better to show prudence and democratic respect whenever we refer to nationalism, unionism, environmentalism or any other ideology?
• But knowing my good brother to be a prince of prudence, virtue, and honour, I do require him to throw off the said displeasure
• The watchword in this regard, I would add, should be prudence as opposed to over-reaction.
• And naturally Prudence included Miss Adams in the invitation.
• But there are times when prudence...
• We should act with prudence in these matters.
• Prudence as regards those effects on health is essential.
• However, if an insurer already measures its insurance contracts with sufficient prudence, it shall not introduce additional prudence.
• I am surprised your Aunt Prudence doesn't think it unseemly, Miss.
• I think you should go ahead as planned, Aunt Prudence.
• You wanted staff, Aunt Prudence.
• I'm sure you've met my aunt, Mrs Prudence Stanley.
• Aunt Prudence is in for a difficult enough evening as it is.
• Whereas you haven't changed one jot, Aunt Prudence.
• You should try it, Aunt Prudence.
• Aunt Prudence said you had to let the last one go.
• But I am more impressed with your prudence
• I'm Snotra, goddess of prudence.