The above quote is the motto of the Theosophical Society, and it is indeed a very profound truth, of which all sensible people should take such, dearly to heart. After all, think about it, anything that you do or read or learn, that is not the truth or coming forth from the basis of truth, is going to be of suspect benefit at best, and may well be the very substance or the pathway of all sorts of ills, wrongs, and evils. This thus signifies that the greatest search for mankind is ever the search for Truth, for in that search, you will find the ending of all previous sorrows, for that Truth will surely set you free from the delusions that have held you back from previously seeing that which is and has always been the Truth, of which that Truth never has been or ever will be false.
The very first principle in the learning of any good subject, is learning the truth of that subject, above all else. Further to the point, if there is no objective truth in anything that we learn, study, and apply, in which, instead, everything is some sort of subjective truth, then the world as we know it, is always going to be a world of chaos and confusion for that which is built upon a foundation of ever shifting sands, and goes wherever the prevailing winds shall blow, will never rightly stand the test of time. So that, it is a cardinal error of epic proportions, when any institution, even those institutions of long standing, and especially those held in the highest respect, are internally aware of their doctrinal error, but, in fact, do nothing to alleviate or to ameliorate such, but rather prefer to compound matters, by consciously and deliberately hiding the truth.
The time to tell the truth does not ever change, for that time is the ever present now. So that, those that are aware of the truth but insist upon hiding behind a façade created to obfuscate the truth are doing a grand disservice to all that are affected by such. So too, no religion, and no established practice should ever subsume truth to their own canonical preferences, out of a sense of convenience, or embarrassment, or monetary reasons, or out of fear of repercussions, as if somehow it makes more sense to embrace that which is false, over that which is true.
Now, while each of us has an inherent responsibility to search for truth, in all that we do and all that we propagate, that does not mean that such a search will not have its own twists, turns, and uncertainties, that necessitate not only an open mind, but an acknowledgement that as flawed human beings, we are not always going to get it right in our beliefs or subsequent actions, because we won't. What this does indicate is that our search for truth, must not only be sincere, consistent, and determined, but that we must take into account, that Truth, itself, never does change, for it is immutable, and unalterable. So then, that search for Truth, is also the only way that we can find complete liberty, for those that do not know that Truth, and live to that Truth, are by mainly their own volition, in chains of their own making.