Right's weight versus wrong's lightness
Nahj al-Balāgha|Volume 1|Book 3|Chapter 376
۳۷۶. وَقَالَ (عليه السلام): إِنَّ الْحَقَّ ثَقِيلٌ مَرِيءٌ وَإِنَّ الْبَاطِلَ خَفِيفٌ وَبِيءٌ.
376. Amīr al-mu’minīn, peace be upon him, said: Certainly, right is weighty and wholesome while wrong is light and epidemical.