What does 真理 (zhēn lǐ) mean in English?

Card 1211HSK 2010 Level 51211/1311
CARD1211
PROGRESS92%
真理
zhēn lǐ
truth; CL:個|个[ge4]
Click to reveal
← Previous↑ DeckNext →

Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d