How to escape echo?

How to escape echo…
Here the function is for theme options page where the blogger add their social pages…

Title

//Social Icons
function wallspot_sidebar_options() { /* Translate */
	echo ( 'Add your social media links for the top right corner.', 'pen-post' );

And the social link

function wallspot_sidebar_twitter() {
	$twitter = esc_attr( get_option( 'twitter_handler' ));
	echo ( '<input type="text" name="twitter_handler" value="'.$twitter.'" placeholder="Twitter handler" /> <p class="description">Enter twitter handler without the @ sign.</p>' );
}