How can we make language translation in sap script?

Hi expert,

Based on language i have to display text in sap script form.

please i like to know how to maintain language translation in sap script.

manually i am handling the language text in print program.

like below.

if language = 'EN'

text in english.

endif.

if language = 'DE'

text in German.

endif.

good points will be given for proper answer.

Thanks and regards,

Pavan.