Programming is quite difficult – if you make a mistake, a bug will bother you for the rest of the day.

Knowledge illuminates any problem.

The development of human civilization over the course of millennia was really fascinating. Let us imagine, however, how high a level of development could have been reached if all amazing ideas of the great minds of the past had been realized. Let us consider, for example, some ideas of Nikola
Tesla that have not been implemented as of yet.

It is a great satisfaction for many professors if their mentees choose to remain at the university

You asked about important factors in management. I think the answer is quite simple – the most important factor is motivation.

Concerning mistakes, follow three simple rules. Firstly, correct a mistake that you made whenever it is possible. Secondly, don't repeat the same mistakes. Thirdly, learn from past mistakes.