'Every one that thirsteth'--that means desire. Yes; but it means need also. And what is every man but a great bundle of yearnings and necessities? None of us carry within ourselves that which suffices for ourselves. We are all dependent upon external things for being and for wellbeing.
There are thirsts which infallibly point to their true objects. If a man is hungry he knows that it is food that he wants. And just as the necessities of the animal life are incapable of being misunderstood, and the objects which will satisfy them incapable of being confused or mistaken, so there are other nobler thirsts, which, in like manner, work automatically, and point to the thing that they need. We have social instincts; we need love; we need friendship; we need somebody to lean upon; we thirst for some heart to rest our heads upon, for hands to clasp ours; and we know where the creatures and the objects are that will satisfy these desires. And there are the higher thirsts of the spirit, that 'follows knowledge, like a sinking star, beyond the furthest bounds of human thought'; and a man knows where and how to gratify the impulse that drives him to seek after the many forms of knowledge and wisdom.
But besides all these, besides sense, besides affection, besides emotions, besides the intellectual spur of which we are all more or less conscious, there come in a whole set of other thirsts that do not in themselves carry the intimation of the place where they can be slaked. And so you get men restless, as some of you are; always dissatisfied, as some of you are; feeling that there is something wanting, yet not knowing what, as some of you are. You remember the old story in the _Arabian Nights_, of the man who had a grand palace, and lived in it quite contentedly, until some one told him that it needed a roc's egg hanging from the roof to make it complete, and he did not know where to get that, and was miserable accordingly. We build our houses, we fancy that we are satisfied; and then there comes the stinging thought that it is not all complete yet, and we go groping, groping in the dark, to find out where the lacking thing is. Shipwrecked sailors sometimes, in their desperation, drink salt water, and that makes them thirstier than ever, and brings on madness and death. Some publicans drug the vile liquors which they sell, so that they increase thirst. We may make no mistake about how to satisfy the desires of sense or of earthly affections; we may be quite certain that 'money answereth all things,' and that it is good to get on in business in Manchester; or may have found a pure and enduring satisfaction in study and in books--yet we have thirsts that some of us know not where to satisfy; and so we have parched lips and swollen tongues, and raging desire that earth can give nothing to fill.
My brother, do you know what it is that you want?
It is God. Nothing else, nothing less. 'My soul thirsteth for God, for the living God.' The man that knows what it is of which he is in such sore need, is blessed. The man who only feels dimly that he needs something, and does not know that it is God whom he does need, is condemned to wander in a dry and thirsty land, where no water is, and where his heart gapes, parched and cracked like the soil upon which he treads. Understand your thirst. Interpret your desires aright. Open your eyes to your need; and be sure of this, that mountains of money and the clearest insight into intellectual problems, and fame, and love, and wife, and children, and a happy home, and abundance of all things that you can desire, will leave a central aching emptiness that nothing and no person but God can ever fill. Oh, that we all knew what these yearnings of our hearts mean!