Keeping all the Vedas in memory, or ablutions performed in all the sacred waters, may or may not be equal to telling the Truth every day in one's life.
धारणं सर्ववेदानां सर्वतीर्थावगाहनम्। सत्यं च ब्रुवतो नित्यं समं वा स्यान्न वा समम्॥