Even when poetry has a meaning as it usually has it may be inadvisable to draw it out... Perfect understanding will sometimes almost extinguish pleasure.

Where large sums of money are concerned it is advisable to trust nobody.

I have found it advisable not to give too much heed to what people say when I am trying to accomplish something of consequence. Invariably they proclaim it can't be done. I deem that the very best time to make the effort.