A moment of fearlessness in philosophy: on the possibility of the influence of present on past and future

The moment of fearlessness in philosophy is a metaphorical expression of the hypothesis according to which a person has the ability to influence, in a certain sense, the past. The article discusses whether there are physical and mathematical grounds for confirming this hypothesis. The author draws upon the laws of quantum physics and non-Euclidean geometry of Lobachevsky to find the answer.