"How forceful are honest words! " ~~ Job (Iyov) 6:25
"If there is no truth, there is no mercy." ~~ Nachman of Bratslav
"There is no greater danger to a new truth than an old error." ~~ Jacob Klatzkin
"When you add to the truth, you subtract from it." ~~ Talmud, Sanhedrin 29a
"Be not ashamed to accept the truth whencesoever it come, even from one less than you!" ~~ Mivchar Hapeninim
"Truth needs no ally." ~~ Rashba
"Everything can be imitated, except truth; for imitated truth is no longer truth." ~~ The Kotzker Rabbi
"The language of truth will endure for ever." ~~ Proverbs (Mishle) 12:19
"The search for truth is more precious than its possession. " ~~ Albert Einstein
"Truth is the tree of life, and from it you will eat all your days." ~~ Sefer Hachinuch
"There is no hammer more powerful to beat on the hearts of men than the hard and bitter truth." ~~ Aaron David Gordon
"It is a wise man that admits the truth." ~~ Avot 5:7