“In life, difficulties reveal the true nature of people, additionally showing you who the true and false friends are.”

“The things to be investigated are either true or false. If false, pertinacious inquiry will reveal their falsity. If true, they are profoundly important. For there are no half-truths in Nature; every smallest departure has portentous consequences; our eyes must open slowly, or we should be overwhelmed.”

“If you are successful, you will win false friends and true enemies.
Succeed anyway.
It ends:”

“One who reveals your faults to you like a mirror is your true friend, and one who flatters you and covers up your faults is your enemy.”

“A person's true nature is revealed at times of the greatest adversity.”

“Losing interest in you often reveals the true identity of many people.”

“Would you that spangle of Existence spend
About the Secret — Quick about it, Friend!
A Hair perhaps divides the False and True —
And upon what, prithee, may life depend?”

“If you find one true friend in life, you're richer than most. If that one true friend is your husband, you're blessed.”

“True Friends
are those rare people who actually care about
what you are going through.”

“True' and 'false' are the evasions of people who never want to arrive at a decision. Truth is something without end.”