To strengthen your grip, wrap a towel around the bar when you do arm curls. It makes the bar thicker, which forces your forearm muscles to work harder

Do not wait to strike till the iron is hot; but make it hot by striking.
William B. Sprague

Never tell people how to do things. Tell them what to do and they will surprise you with their ingenuity.
George Patton

Push from your toes when you do leg presses. Your quadriceps will work harder.

Little minds are tamed and subdued by misfortunes; but great minds rise above them.
Washington Irving