While there is some benefit in silently reviewing what you are going to say, many find it more helpful to rehearse their presentation out loud.
وَقَالَ فَاتِحٌ آخَرُ :‏ « عِنْدَمَا أَطَّلِعُ عَلَى مُحْتَوَى ٱلْمَطْبُوعَاتِ ٱلَّتِي سَأُقَدِّمُهَا ،‏ أَتَحَمَّسُ لِٱسْتِخْدَامِهَا » .‏