the most important foundation or element for achieving success
самая важная основа или элемент для достижения успеха (samaya vazhnaya osnova ili element dlya dostizheniya uspeha)
"Hard work is the cornerstone of success."
"Упорный труд — это краеугольный камень успеха." (uporny trud eto kraeugolny kamen uspeha)
to wish someone good luck in a performance
the moment when a change becomes unstoppable
to reserve something for a particular purpose
to analyze data in great detail
to accept and confront a difficult situation
very special or rare
