"Interesting lecturers are the most important thing."

Translation: מרצים מעניינים הם הדבר החשוב ביותר.

[i_want_to_know]

why not נאומים instead of מרצים ?

[R_Pink]

The word נאומים refers to speeches.

The word הרצאות refers to lectures.

The word מרצים refers to lecturers.

[i_want_to_know]

Thank you. That was a very clear explanation.