<?php if((get_post_meta($post->ID, "thequote", true))) { ?> <?php echo get_post_meta($post->ID, "thequote", true); ?> <?php } ?>
or Making a Custom Field conditional with FRONT END EDITOR plugin enabled:
<?php if((get_post_meta($post->ID, "thequote", true))) { ?> <li class="plus ge1421 green last"> <?php if ( function_exists( 'editable_post_meta' ) ) editable_post_meta( get_the_ID(), 'thequote', 'rich' ); else echo get_post_meta( $post->ID, 'thequote', true ); ?> <span id="thequote-by"> <?php if ( function_exists( 'editable_post_meta' ) ) editable_post_meta( get_the_ID(), 'thequote-by', 'rich' ); else echo get_post_meta( $post->ID, 'thequote-by', true ); ?> </span> </li> <?php } ?>