Tough times never last, but tough people do.

Procrastination makes easy things hard and hard things harder.

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

It doesn’t matter where you start, it matters how you end

The greatest glory in loving lies not in never falling, but in rising every time we fall.

It is never too late to turn an unproductive day into a productive one.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

Never underestimate the importance of small steps. small steps = big changes. 

We learn more from failure than we do from success.

Time is your friend, impulse is your enemy.

Failure to prepare = preparing to fail

Practice makes comfort. Expand your experiences regularly so every stretch won't feel like your first.