$\displaystyle<br /> \rlap { \lower{-1.5em}{You ~can't~ travel }} <br /> \rlap { \lower{-1.9em}{Cant}} <br /> \rlap { \lower{-2.5em}{ ~~~~~~~~can't ~travel~ the~ speed}} <br /> \rlap { \lower{0.6em}{of~ light}} <br /> \rlap { \lower{0.5em}{of ~~light}} <br /> \rlap { \lower{1.9em}{only~ a~ fraction}} <br /> \rlap { \lower{2.5em}{ ~~~~~fraction }} <br /> \rlap { \lower{2.7em}{ ~~~~~~fraction }} <br /> \rlap { \lower{3.4em}{ ~~~~~~~~~~~~~~~~~ 0.999^{9^{9^{9^{9^{9^{9 ^{9^{9^{9^{9^{9^{9^{9}} }}}}}}}}}}}}} <br /> \rlap { \lower{3.5em}{ ~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~=1}} <br /> \rlap { \lower{3.4em}{ ~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~=1}} <br /> \rlap { \lower{4.2em}{you~ can ~travel ~at ~the ~speed ~of ~light}} <br /> \rlap { \lower{4.25em}{you~ can ~travel ~at ~the ~speed ~of ~light}} <br /> \rlap { \lower{4.1em}{you~ can ~travel ~at ~the ~speed ~of ~light}} <br /> \rlap { \lower{4.7em}{you~ can ~travel ~at ~the ~speed ~of ~light}}$