Instead of finding reasons why you can't, find reasons why you can.

99% of genius comes from hard work, the remaining 1% comes from innate talent

There is no elevator to success, you have to take the stairs.

We all make mistakes. What matters is how we choose to move forwards from them.

The greatest enemy to human potential is your comfort zone

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

The wise person knows that no answer is also an answer

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.

Knowledge is of no value unless you put it into practice.

Pure mathematics is in its way, the poetry of logical ideas.

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

There is great wisdom in being able to realise that you don’t understand something before it goes too far.

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

Time is your friend, impulse is your enemy.

The bad news is time flies, the good new is that you're the pilot.