When you live honestly, you sleep peacefully without guilt.
Когда ты живешь честно, ты спишь спокойно, без чувства вины. (Kogda ty zhivesh' chestno, ty spish' spokoyno, bez chuvstva viny.)
"After telling the truth, he had a peaceful night’s sleep because a clear conscience is a soft pillow."
"После того как он сказал правду, он провел спокойную ночь, потому что чистая совесть - это мягкая подушка." (Posle togo kak on skazal pravdu, on provel spokoynuyu noch', potomu chto **chistaya sovest' - eto myagkaya podushka**.)
to improve one’s thinking or problem-solving ability through...
to not lose confidence or courage
to stay focused on your goal despite difficulties
to be in a stressful situation with a lot of demands
be careful what you say because someone might be listening
to place reliance or faith in someone or something