to stay brave and strong in difficult situations
оставаться смелым и сильным в трудных ситуациях (ostavat'sya smelym i sil'nym v trudnykh situatsiyakh)
"Chin up, soldier, things will get better soon."
"Не падай духом, солдат, скоро все наладится." (Ne paday dukhom, soldat, skoro vse naladitsya.)
an idea or invention created by someone
to keep one's plans or ideas secret
at the peak of activity or excitement
Continue your efforts even when facing challenges.
don't make plans for something that might not happen
a sudden outpouring of creative ideas