be prudent

See: beware
References in classic literature ?
He knew instinctively that it was madness to give himself into her hands; his only chance was to treat her casually and never allow her to see the untamed passions that seethed in his breast; she would only take advantage of his weakness; but he could not be prudent now: he told her all the agony he had endured during the separation from her; he told her of his struggles with himself, how he had tried to get over his passion, thought he had succeeded, and how he found out that it was as strong as ever.
Among other public buildings in a certain town, which for many reasons it will be prudent to refrain from mentioning, and to which I will assign no fictitious name, there is one anciently common to most towns, great or small: to wit, a workhouse; and in this workhouse was born; on a day and date which I need not trouble myself to repeat, inasmuch as it can be of no possible consequence to the reader, in this stage of the business at all events; the item of mortality whose name is prefixed to the head of this chapter.
I reduce myself then to ten men; in this fashion I shall act simply and with unity; I shall be forced to be prudent, which is half the success in an affair of the kind I am undertaking; a greater number might, perhaps, have drawn me into some folly.
Don Quixote did so, reining in Rocinante until his weary squire came up, who on reaching him said, "It seems to me, senor, it would be prudent in us to go and take refuge in some church, for, seeing how mauled he with whom you fought has been left, it will be no wonder if they give information of the affair to the Holy Brotherhood and arrest us, and, faith, if they do, before we come out of gaol we shall have to sweat for it.
Best views these actions to be prudent and the current management team has sufficient depth to direct and maintain the current business strategy.