Words are powerful, be careful when using them. Even God uses words to make things happen.Not many realize that words need to be spoken. Good intentions are widely accepted, yet not readily acknowledged. "I meant to buy you some flowers, Hon, but I forgot..." "I wanted to cook you dinner, sorry, I overslept..." The fact is, that person does not get any flowers. No dinner, either. Sure, acts sometimes speak louder than words. But IMO, actions, combined with words, have very, very powerful impacts.
Some people live their days, doing things this and that, yet they almost never TELL people about their thoughts. Declaration of love, for instance, might be viewed as a moment of weakness, as if sharing your emotions is to be frowned upon.
However, you need to be careful not to overdo things... empty words might sound nice, but if you say words that you don't mean, they might come back and haunt you later.