Here are a few off the top of my head (though I looked up the original kanji for some of the Japanese ones)...

To enjoy life's immensity, you do not need many things.

• Ryōkan, a Japanese poet

Ain't no shame in holding onto grief, as long as you make room for other things too.

• Bubbles, from the last episode of The Wire

Honor is dead, but I'll see what I can do.

• Kaladin, from The Stormlight Archive Book 2 by Brandon Sanderson

Beware the difference between intelligibility and correctness.

• Nassim Nicholas Taleb

Success consists of moving from failure to failure without loss of enthusiasm.

• Winston Churchill

猿も木から落ちる (Saru mo ki kara ochiru)

Even monkeys fall from trees.

• Anonymous, traditional Japanese saying

正勝吾勝 (Makatsu agatsu)

True victory is victory over one's self.

• Morihei Ueshiba, founder of Aikido