diff --git a/themes/essential/essential.theme.bash b/themes/essential/essential.theme.bash
new file mode 100644
index 00000000..c0b1a38e
--- /dev/null
+++ b/themes/essential/essential.theme.bash
@@ -0,0 +1,96 @@
+#!/usr/bin/env bash
+
+# https://github.com/koalaman/shellcheck/wiki/Sc2154
+# shellcheck disable=SC2154
+
+function _user-prompt() {
+  local -r user='\\u'
+
+  if [[ "${EUID}" -eq 0 ]]; then
+    # Privileged users:
+    local -r user_color="${bold_red}"
+  else
+    # Standard users:
+    local -r user_color="${bold_green}"
+  fi
+
+  # Print the current user's name (colored according to their current EUID):
+  echo -e "${user_color}${user}${normal}"
+}
+
+function _host-prompt() {
+  local -r host='\\h'
+
+  # Check whether or not $SSH_TTY is set:
+  if [[ -z "${SSH_TTY}" ]]; then
+    # For local hosts, set the host's prompt color to blue:
+    local -r host_color="${bold_blue}"
+  else
+    # For remote hosts, set the host's prompt color to red:
+    local -r host_color="${bold_red}"
+  fi
+
+  # Print the current hostname (colored according to $SSH_TTY's status):
+  echo -e "${host_color}${host}${normal}"
+}
+
+function _user-at-host-prompt() {
+  # Concatenate the user and host prompts into: user@host:
+  echo -e "$(_user-prompt)${bold_white}@$(_host-prompt)"
+}
+
+function _exit-status-prompt() {
+  local -r prompt_string="${1}"
+  local -r exit_status="${2}"
+
+  # Check the exit status of the last command captured by $exit_status:
+  if [[ "${exit_status}" -eq 0 ]]; then
+    # For commands that return an exit status of zero, set the exit status's
+    # notifier to green:
+    local -r exit_status_color="${bold_green}"
+  else
+    # For commands that return a non-zero exit status, set the exit status's
+    # notifier to red:
+    local -r exit_status_color="${bold_red}"
+  fi
+
+  echo -ne "${exit_status_color}" 
+  if [[ "${prompt_string}" -eq 1 ]]; then
+    # $PS1:
+    echo -e " +${normal} "
+  elif [[ "${prompt_string}" -eq 2 ]]; then
+    # $PS2:
+    echo -e " |${normal} "
+  else
+    # Default:
+    echo -e " ?${normal} "
+  fi
+}
+
+function _ps1() {
+  local -r time='\\t'
+
+  echo -ne "${bold_white}${time} "
+  echo -ne "$(_user-at-host-prompt)"
+  echo -e "${bold_white}:${normal}${PWD}"
+  echo -e "$(_exit-status-prompt 1 "${exit_status}")"
+}
+
+function _ps2() {
+  echo -e "$(_exit-status-prompt 2 "${exit_status}")"
+}
+
+function prompt_command() {
+  # Capture the exit status of the last command:
+  local -r exit_status="${?}"
+
+  # Build the $PS1 prompt:
+  PS1="$(_ps1)"
+
+  # Build the $PS2 prompt:
+  PS2="$(_ps2)"
+}
+
+safe_append_prompt_command prompt_command
+
+# vim: sw=2 ts=2 et: