Challenges and difficulties make people stronger and more experienced.
Проблемы и трудности делают людей сильнее и опытнее. (Problemy i trudnosti delayut lyudey sil'nee i opytnyee.)
"Remember, a smooth sea never made a skilled sailor—you’ll learn from tough times."
"Помни, спокойное море никогда не сделает опытного моряка — ты научишься на трудных временах." (Pomni, **spokoynoe more nikogda ne sdelaet opytnogo moryaka** — ty nauchish'sya na trudnykh vremenakh.)
to describe exactly what is causing a situation or problem
to speak confidently about something
a bold and shameless lie
used to say that everything is fine or there is no problem
something unexpected or surprising
a change in leadership or authority