Translations of Latin Text

Could someone please check if these sentences are translated correctly?

Immodica ira creat insaniam. Excessive anger causes insanity.

Philosophia est ars vitae conservate. Philosophy is the art of life.

Sanam formam vitae conservate.  Maintain the sound beaty of life!

Quid cogitas? What do you think?

Nulla avaritia sine poena est.  [No avarice is without punsihment.]  Greed does not go unpunished. 

Me saevis catenis onerat. Cruel chains oppress me. 

Rotam fortunae non timent. They do not fear the wheel of fortune.