Bismillah is recommended before preforming any deed.

 

                                                                                                                                                             Bismillah is recommended before starting any action or deed.

For instance
        Bismillah is recommended before starting a Khutbah(speech).The Bismillah is also recommended before one enters the place where he wants to relieve himself,there is a Hadith concerning this practice.Further,Bismillah is recommended at the beginning of ablution,for Imam Ahmed and the sunan compilers recorded that Abu Hurayrah,Sa'id bin zayd and Abu Sa'id narrated from the Prophet.....(There is no valid ablution for he who did not mention Allah's Name in it.)
        This Hadith is Hasan(good).Also the Bismillah is recommended before eating . Muslim recorded in his sahih that the Messenger of Allah said to Umar bin Abi Salamah while he was a child under his case,(Say Bismillah,eat with your right hand and eat from whatever is next to you.)
         Some of the scholars stated that Bismillah  before eating is obligatory.Bismillah before having sexual intercourse is also recommended.
         The two Sahihs recorded that Abn' Abbas said that the Messenger of Allah said,"If anyone of you before having sexual relation with his wife says,'In the Name of Allah .O Allah! Protect us from Satan and also protect what you grant us(meaning the coming offspring)from Satan,and if it is destined that they should have a child then,Satan will never be able to harm that child.
(Try to say Bismillah before starting any action or any deed.Every Surat of the Holy Quran is started from the Bismillah except (Surah Tooba).We should say Bismillah while we starting any work,any action or ant deed.)