Heartbreak is temporary.
From every situation in life, take only what is useful to you, and ignore the rest. (Aiding others may be very useful to you, btw.) Avoid complaints and cynicism, which both focus on the bathwater instead of the baby.
Always be unafraid to challenge a much larger man, as large men have been trained not to attack those much smaller than themselves.
Never, ever, ever say unfavorable things about Vladimir Putin to the Russian press.
It is much easier to be the second best person at everything than to be the best at anything. More enjoyable, too.
I would rather have a hundred great victories and a hundred terrible defeats than two hundred stalemates. If experiences are a normal distribution, you always remember the outliers.
Men are incredible at logic and terrible at psychology. Women are terrible at logic and amazing at psychology. Dogs are both illogical and gullible but live with abundant enthusiasm.
My favorite stuffed animals are green.