The phrase "act with certainty" is correct and usable in written English.
It can be used when encouraging someone to proceed confidently or decisively in a situation.
Example: "In times of uncertainty, it's important to act with certainty to inspire trust in your team."
Alternatives: "proceed with confidence" or "move forward assuredly".
Trial lawyers don't act with certainty when they use superficial information to predict how a juror might vote, but they do play the percentages, using what information they can.
"We're marching on," he said.The state comptroller, Daniel W. Hynes, who is challenging Mr. Quinn in the Democratic primary for governor next year, has criticized Mr. Quinn's handling of the scandal, saying the governor did not act with "certainty and with dispatch" as he had said he would.
Only then will the message be clear, will the poachers realise they have nowhere to hide, will the enforcement agencies and customs authorities be able to act with certainty...and will the world's wild elephants stand a fighting chance.
In his second book, "The Audacity of Hope," Obama wrote: "We must talk and reach for common understandings, precisely because all of us are imperfect and can never act with the certainty that God is on our side".
"Rather... that we must talk and reach for common understandings, precisely because all of us are imperfect and can never act with the certainty that God is on our side".
It is impossible to predict the timing or severity of these acts with statistical certainty or to estimate the amount of loss that any given occurrence will generate.
First, Kant is wrong to think that 'the rightness or wrongness of an individual act can be inferred with certainty from its falling or not falling under a rule capable of being universalised' (FE 189; also KT 25).
'In the street, cops act with the brashness and certainty that they are the law itself.'.
In the street, in the moment of a police-protester stand off, cops act with the brashness and certainty — backed up with badges, batons, and guns — that they are the law itself.
Accordingly, if the secondary object of a proteraesthesis were a just-past act of sensing, we could know with certainty that we ourselves, as the subject of that act, existed a few moments ago.
On the one hand, the unpredictability at the level of the context sentence, achieved by presenting not only Naming- and Request-eliciting context sentences but also other speech acts, prevented the participants from determining the speech act type of the following utterance with certainty before the critical word appeared.
